./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/state_variables_3.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:04,224 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:04,262 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddc702f-0c2a-4cf3-8fb2-c80b84138729/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:04,265 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:04,265 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:04,278 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:04,279 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:04,279 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:04,279 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:04,279 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:04,280 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:04,280 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:04,280 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:04,280 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:04,280 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:04,280 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:04,280 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:04,280 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:04,280 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:04,280 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:04,281 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:04,281 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:04,281 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:04,281 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:04,281 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:04,282 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:04,282 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:04,477 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:04,485 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:04,487 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:04,488 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:04,488 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:04,490 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddc702f-0c2a-4cf3-8fb2-c80b84138729/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/state_variables_3.sol_0_no_adts_000.smt2
[2025-05-07 17:28:04,491 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:04,494 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:04,736 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddc702f-0c2a-4cf3-8fb2-c80b84138729/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/state_variables_3.sol_0_no_adts_000.smt2
[2025-05-07 17:28:04,738 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:04,739 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:04,740 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:04,740 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:04,740 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:04,742 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,775 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04 Unit
[2025-05-07 17:28:04,776 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:04,777 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:04,777 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:04,777 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:04,791 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,791 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,812 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,813 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,816 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,817 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,818 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,820 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,820 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,830 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:04,830 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:04,830 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:04,831 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:04,831 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (1/1) ...
[2025-05-07 17:28:04,833 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:04,842 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:04,851 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:04,853 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:04,861 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:04,861 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:04,861 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_3_0 given in one single declaration
[2025-05-07 17:28:04,861 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_3_0
[2025-05-07 17:28:04,861 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_3_0
[2025-05-07 17:28:04,862 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_3_C_40_0 given in one single declaration
[2025-05-07 17:28:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_3_C_40_0
[2025-05-07 17:28:04,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_3_C_40_0
[2025-05-07 17:28:04,862 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_5_C_40_0 given in one single declaration
[2025-05-07 17:28:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_5_C_40_0
[2025-05-07 17:28:04,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_5_C_40_0
[2025-05-07 17:28:04,862 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_23_C_40_0 given in one single declaration
[2025-05-07 17:28:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_23_C_40_0
[2025-05-07 17:28:04,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_23_C_40_0
[2025-05-07 17:28:04,862 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_17_C_40_0 given in one single declaration
[2025-05-07 17:28:04,862 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_17_C_40_0
[2025-05-07 17:28:04,862 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_17_C_40_0
[2025-05-07 17:28:04,863 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_19_C_40_0 given in one single declaration
[2025-05-07 17:28:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_19_C_40_0
[2025-05-07 17:28:04,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_19_C_40_0
[2025-05-07 17:28:04,863 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_18_C_40_0 given in one single declaration
[2025-05-07 17:28:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_18_C_40_0
[2025-05-07 17:28:04,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_18_C_40_0
[2025-05-07 17:28:04,863 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_20_Base_5_0 given in one single declaration
[2025-05-07 17:28:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_20_Base_5_0
[2025-05-07 17:28:04,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_20_Base_5_0
[2025-05-07 17:28:04,863 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_22_Base_5_0 given in one single declaration
[2025-05-07 17:28:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_22_Base_5_0
[2025-05-07 17:28:04,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_22_Base_5_0
[2025-05-07 17:28:04,863 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_21_Base_5_0 given in one single declaration
[2025-05-07 17:28:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_21_Base_5_0
[2025-05-07 17:28:04,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_21_Base_5_0
[2025-05-07 17:28:04,863 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_7_function_f__39_40_0 given in one single declaration
[2025-05-07 17:28:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_7_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_7_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_f__39_40_0 given in one single declaration
[2025-05-07 17:28:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_6_function_f__39_40_0 given in one single declaration
[2025-05-07 17:28:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_6_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_6_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_return_function_f__39_40_0 given in one single declaration
[2025-05-07 17:28:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_return_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_return_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_f_38_40_0 given in one single declaration
[2025-05-07 17:28:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_f_38_40_0
[2025-05-07 17:28:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_f_38_40_0
[2025-05-07 17:28:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__39_40_0 given in one single declaration
[2025-05-07 17:28:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__39_40_0 given in one single declaration
[2025-05-07 17:28:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__39_40_0
[2025-05-07 17:28:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__39_40_0
[2025-05-07 17:28:04,865 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:04,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:04,983 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:04,984 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:05,177 INFO  L?                        ?]: Removed 173 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:05,177 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:05,185 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:05,186 INFO  L312             CfgBuilder]: Removed 9 assume(true) statements.
[2025-05-07 17:28:05,186 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:05 BoogieIcfgContainer
[2025-05-07 17:28:05,186 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:05,187 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:05,187 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:05,190 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:05,190 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:04" (1/3) ...
[2025-05-07 17:28:05,190 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22efef3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:05, skipping insertion in model container
[2025-05-07 17:28:05,191 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:04" (2/3) ...
[2025-05-07 17:28:05,191 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22efef3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:05, skipping insertion in model container
[2025-05-07 17:28:05,191 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:05" (3/3) ...
[2025-05-07 17:28:05,192 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:05,202 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:05,203 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 19 procedures, 75 locations, 112 edges, 19 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:05,232 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:05,241 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ed357f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:05,241 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:05,244 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 75 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 34 states have internal predecessors, (34), 25 states have call successors, (26), 18 states have call predecessors, (26), 18 states have return successors, (26), 22 states have call predecessors, (26), 25 states have call successors, (26)
[2025-05-07 17:28:05,250 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:05,250 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:05,251 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:05,251 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:05,254 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:05,255 INFO  L85        PathProgramCache]: Analyzing trace with hash 1601612068, now seen corresponding path program 1 times
[2025-05-07 17:28:05,260 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:05,260 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336019650]
[2025-05-07 17:28:05,260 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:05,261 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:05,304 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:05,326 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:05,327 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:05,327 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:05,418 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:05,418 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:05,418 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336019650]
[2025-05-07 17:28:05,419 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336019650] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:05,419 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:05,421 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:28:05,422 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070539162]
[2025-05-07 17:28:05,422 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:05,425 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:28:05,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:05,442 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:28:05,442 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:28:05,444 INFO  L87              Difference]: Start difference. First operand  has 75 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 34 states have internal predecessors, (34), 25 states have call successors, (26), 18 states have call predecessors, (26), 18 states have return successors, (26), 22 states have call predecessors, (26), 25 states have call successors, (26) Second operand  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:28:05,470 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:05,470 INFO  L93              Difference]: Finished difference Result 70 states and 79 transitions.
[2025-05-07 17:28:05,470 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:28:05,471 INFO  L79                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 51
[2025-05-07 17:28:05,472 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:05,479 INFO  L225             Difference]: With dead ends: 70
[2025-05-07 17:28:05,479 INFO  L226             Difference]: Without dead ends: 69
[2025-05-07 17:28:05,481 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:28:05,483 INFO  L437           NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:05,484 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:05,495 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2025-05-07 17:28:05,518 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2025-05-07 17:28:05,519 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 69 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 30 states have internal predecessors, (30), 24 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24)
[2025-05-07 17:28:05,524 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 78 transitions.
[2025-05-07 17:28:05,525 INFO  L79                 Accepts]: Start accepts. Automaton has 69 states and 78 transitions. Word has length 51
[2025-05-07 17:28:05,525 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:05,525 INFO  L485      AbstractCegarLoop]: Abstraction has 69 states and 78 transitions.
[2025-05-07 17:28:05,526 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:28:05,526 INFO  L278                IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions.
[2025-05-07 17:28:05,528 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:05,528 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:05,528 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:05,529 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:05,529 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:05,530 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:05,530 INFO  L85        PathProgramCache]: Analyzing trace with hash 293750102, now seen corresponding path program 1 times
[2025-05-07 17:28:05,530 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:05,530 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680406679]
[2025-05-07 17:28:05,530 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:05,530 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:05,559 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:05,609 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:05,609 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:05,610 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:05,822 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:05,822 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:05,823 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680406679]
[2025-05-07 17:28:05,823 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680406679] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:05,823 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:05,823 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:05,823 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701169485]
[2025-05-07 17:28:05,823 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:05,824 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:05,824 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:05,825 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:05,825 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:05,825 INFO  L87              Difference]: Start difference. First operand 69 states and 78 transitions. Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2025-05-07 17:28:05,846 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:05,846 INFO  L93              Difference]: Finished difference Result 71 states and 79 transitions.
[2025-05-07 17:28:05,847 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:05,847 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 51
[2025-05-07 17:28:05,847 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:05,848 INFO  L225             Difference]: With dead ends: 71
[2025-05-07 17:28:05,848 INFO  L226             Difference]: Without dead ends: 64
[2025-05-07 17:28:05,849 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:05,850 INFO  L437           NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:05,850 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 219 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:05,851 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2025-05-07 17:28:05,856 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2025-05-07 17:28:05,856 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 19 states have call successors, (19), 17 states have call predecessors, (19), 17 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19)
[2025-05-07 17:28:05,857 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions.
[2025-05-07 17:28:05,858 INFO  L79                 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 51
[2025-05-07 17:28:05,859 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:05,859 INFO  L485      AbstractCegarLoop]: Abstraction has 64 states and 66 transitions.
[2025-05-07 17:28:05,859 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2025-05-07 17:28:05,859 INFO  L278                IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions.
[2025-05-07 17:28:05,861 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2025-05-07 17:28:05,861 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:05,861 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:05,861 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:05,861 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:05,862 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:05,862 INFO  L85        PathProgramCache]: Analyzing trace with hash -1877753229, now seen corresponding path program 1 times
[2025-05-07 17:28:05,862 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:05,862 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660459577]
[2025-05-07 17:28:05,862 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:05,862 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:05,892 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes.
[2025-05-07 17:28:05,920 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements.
[2025-05-07 17:28:05,920 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:05,920 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:06,079 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:06,079 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:06,079 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660459577]
[2025-05-07 17:28:06,079 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660459577] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:06,079 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:06,079 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:06,079 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129731872]
[2025-05-07 17:28:06,079 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:06,080 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:06,080 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:06,080 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:06,080 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:06,080 INFO  L87              Difference]: Start difference. First operand 64 states and 66 transitions. Second operand  has 8 states, 6 states have (on average 4.5) internal successors, (27), 8 states have internal predecessors, (27), 6 states have call successors, (17), 1 states have call predecessors, (17), 6 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17)
[2025-05-07 17:28:06,131 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:06,131 INFO  L93              Difference]: Finished difference Result 24 states and 23 transitions.
[2025-05-07 17:28:06,131 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:06,131 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 4.5) internal successors, (27), 8 states have internal predecessors, (27), 6 states have call successors, (17), 1 states have call predecessors, (17), 6 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 61
[2025-05-07 17:28:06,131 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:06,132 INFO  L225             Difference]: With dead ends: 24
[2025-05-07 17:28:06,132 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:06,132 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:06,132 INFO  L437           NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:06,132 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 124 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:06,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:06,133 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:06,133 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:06,133 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:06,133 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61
[2025-05-07 17:28:06,133 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:06,133 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:06,133 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 4.5) internal successors, (27), 8 states have internal predecessors, (27), 6 states have call successors, (17), 1 states have call predecessors, (17), 6 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17)
[2025-05-07 17:28:06,133 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:06,134 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:06,136 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:06,136 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:06,139 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:28:06,140 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:06,143 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:06 BoogieIcfgContainer
[2025-05-07 17:28:06,143 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:06,144 INFO  L158              Benchmark]: Toolchain (without parser) took 1404.50ms. Allocated memory is still 234.9MB. Free memory was 153.6MB in the beginning and 94.6MB in the end (delta: 58.9MB). Peak memory consumption was 59.2MB. Max. memory is 33.6GB.
[2025-05-07 17:28:06,144 INFO  L158              Benchmark]: SmtParser took 0.32ms. Allocated memory is still 234.9MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:06,144 INFO  L158              Benchmark]: ChcToBoogie took 36.26ms. Allocated memory is still 234.9MB. Free memory was 153.5MB in the beginning and 149.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:06,144 INFO  L158              Benchmark]: Boogie Preprocessor took 53.33ms. Allocated memory is still 234.9MB. Free memory was 149.7MB in the beginning and 146.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:06,144 INFO  L158              Benchmark]: RCFGBuilder took 355.62ms. Allocated memory is still 234.9MB. Free memory was 146.7MB in the beginning and 188.4MB in the end (delta: -41.7MB). Peak memory consumption was 42.1MB. Max. memory is 33.6GB.
[2025-05-07 17:28:06,144 INFO  L158              Benchmark]: TraceAbstraction took 955.90ms. Allocated memory is still 234.9MB. Free memory was 187.5MB in the beginning and 94.6MB in the end (delta: 92.9MB). Peak memory consumption was 84.1MB. Max. memory is 33.6GB.
[2025-05-07 17:28:06,145 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.32ms. Allocated memory is still 234.9MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 36.26ms. Allocated memory is still 234.9MB. Free memory was 153.5MB in the beginning and 149.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 53.33ms. Allocated memory is still 234.9MB. Free memory was 149.7MB in the beginning and 146.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 355.62ms. Allocated memory is still 234.9MB. Free memory was 146.7MB in the beginning and 188.4MB in the end (delta: -41.7MB). Peak memory consumption was 42.1MB. Max. memory is 33.6GB.
 * TraceAbstraction took 955.90ms. Allocated memory is still 234.9MB. Free memory was 187.5MB in the beginning and 94.6MB in the end (delta: 92.9MB). Peak memory consumption was 84.1MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 19 procedures, 75 locations, 112 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 422 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 245 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 177 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:28:06,157 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
