./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/unary_add.sol_1_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:26:55,160 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:26:55,212 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cf70fe-af17-4df2-8808-f71143d009bc/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:26:55,215 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:26:55,216 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:26:55,233 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:26:55,234 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:26:55,234 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:26:55,234 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:26:55,234 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:26:55,235 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:26:55,235 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:26:55,235 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:26:55,235 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:26:55,235 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:26:55,235 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:26:55,235 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:26:55,235 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:26:55,236 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:55,236 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:26:55,236 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:26:55,236 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:26:55,236 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:26:55,236 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:26:55,236 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:26:55,237 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:26:55,237 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:26:55,439 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:26:55,447 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:26:55,450 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:26:55,451 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:26:55,451 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:26:55,452 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cf70fe-af17-4df2-8808-f71143d009bc/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/unary_add.sol_1_no_adts_000.smt2
[2025-05-07 17:26:55,453 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:26:55,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:26:55,753 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cf70fe-af17-4df2-8808-f71143d009bc/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/unary_add.sol_1_no_adts_000.smt2
[2025-05-07 17:26:55,756 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:26:55,757 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:26:55,758 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:26:55,758 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:26:55,758 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:26:55,760 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,800 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55 Unit
[2025-05-07 17:26:55,801 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:26:55,802 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:26:55,802 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:26:55,802 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:26:55,815 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,815 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,836 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,836 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,841 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,842 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,843 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,845 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,846 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,858 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:26:55,858 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:26:55,859 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:26:55,859 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:26:55,860 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (1/1) ...
[2025-05-07 17:26:55,862 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:55,873 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:55,884 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 17:26:55,886 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 17:26:55,895 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:26:55,895 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:26:55,895 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:26:55,895 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_6_0 given in one single declaration
[2025-05-07 17:26:55,895 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_6_0
[2025-05-07 17:26:55,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_6_0
[2025-05-07 17:26:55,896 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,896 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__42_43_0
[2025-05-07 17:26:55,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__42_43_0
[2025-05-07 17:26:55,896 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,896 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__42_43_0
[2025-05-07 17:26:55,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__42_43_0
[2025-05-07 17:26:55,896 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,896 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__42_43_0
[2025-05-07 17:26:55,896 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__42_43_0
[2025-05-07 17:26:55,896 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,896 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__42_43_0
[2025-05-07 17:26:55,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__42_43_0
[2025-05-07 17:26:55,897 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_41_43_0 given in one single declaration
[2025-05-07 17:26:55,897 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_41_43_0
[2025-05-07 17:26:55,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_41_43_0
[2025-05-07 17:26:55,897 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,897 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__42_43_0
[2025-05-07 17:26:55,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__42_43_0
[2025-05-07 17:26:55,897 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,897 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__42_43_0
[2025-05-07 17:26:55,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__42_43_0
[2025-05-07 17:26:55,897 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,897 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__42_43_0
[2025-05-07 17:26:55,897 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__42_43_0
[2025-05-07 17:26:55,897 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,898 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__42_43_0
[2025-05-07 17:26:55,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__42_43_0
[2025-05-07 17:26:55,898 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__42_43_0 given in one single declaration
[2025-05-07 17:26:55,898 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__42_43_0
[2025-05-07 17:26:55,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__42_43_0
[2025-05-07 17:26:55,898 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_43_0 given in one single declaration
[2025-05-07 17:26:55,898 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_43_0
[2025-05-07 17:26:55,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_43_0
[2025-05-07 17:26:55,898 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_43_0 given in one single declaration
[2025-05-07 17:26:55,898 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_43_0
[2025-05-07 17:26:55,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_43_0
[2025-05-07 17:26:55,898 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_16_C_43_0 given in one single declaration
[2025-05-07 17:26:55,898 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_16_C_43_0
[2025-05-07 17:26:55,898 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_16_C_43_0
[2025-05-07 17:26:55,898 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_13_C_43_0 given in one single declaration
[2025-05-07 17:26:55,899 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_13_C_43_0
[2025-05-07 17:26:55,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_13_C_43_0
[2025-05-07 17:26:55,899 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_15_C_43_0 given in one single declaration
[2025-05-07 17:26:55,899 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_15_C_43_0
[2025-05-07 17:26:55,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_15_C_43_0
[2025-05-07 17:26:55,899 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_14_C_43_0 given in one single declaration
[2025-05-07 17:26:55,899 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_14_C_43_0
[2025-05-07 17:26:55,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_14_C_43_0
[2025-05-07 17:26:55,899 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:26:55,899 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:26:55,899 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:26:56,015 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:26:56,017 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:26:56,232 INFO  L?                        ?]: Removed 163 outVars from TransFormulas that were not future-live.
[2025-05-07 17:26:56,232 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:26:56,243 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:26:56,243 INFO  L312             CfgBuilder]: Removed 10 assume(true) statements.
[2025-05-07 17:26:56,243 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:56 BoogieIcfgContainer
[2025-05-07 17:26:56,243 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:26:56,246 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:26:56,246 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:26:56,249 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:26:56,249 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:55" (1/3) ...
[2025-05-07 17:26:56,250 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314edd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:26:56, skipping insertion in model container
[2025-05-07 17:26:56,250 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:55" (2/3) ...
[2025-05-07 17:26:56,250 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314edd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:26:56, skipping insertion in model container
[2025-05-07 17:26:56,250 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:56" (3/3) ...
[2025-05-07 17:26:56,251 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:26:56,266 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:26:56,268 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 19 procedures, 74 locations, 113 edges, 19 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:26:56,300 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:26:56,308 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;@25335e8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:26:56,308 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:26:56,311 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 74 states, 32 states have (on average 1.09375) internal successors, (35), 35 states have internal predecessors, (35), 22 states have call successors, (26), 18 states have call predecessors, (26), 18 states have return successors, (26), 20 states have call predecessors, (26), 22 states have call successors, (26)
[2025-05-07 17:26:56,317 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:56,317 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:56,317 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 17:26:56,317 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:56,321 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:56,321 INFO  L85        PathProgramCache]: Analyzing trace with hash -1112532901, now seen corresponding path program 1 times
[2025-05-07 17:26:56,326 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:56,326 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314127725]
[2025-05-07 17:26:56,326 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:56,326 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:56,375 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:56,396 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:56,397 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:56,397 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:56,587 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 17:26:56,588 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:56,588 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314127725]
[2025-05-07 17:26:56,588 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314127725] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:56,589 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:56,599 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:26:56,601 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6849000]
[2025-05-07 17:26:56,601 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:56,604 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:26:56,604 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:56,627 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:26:56,627 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:56,629 INFO  L87              Difference]: Start difference. First operand  has 74 states, 32 states have (on average 1.09375) internal successors, (35), 35 states have internal predecessors, (35), 22 states have call successors, (26), 18 states have call predecessors, (26), 18 states have return successors, (26), 20 states have call predecessors, (26), 22 states have call successors, (26) Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:56,667 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:56,668 INFO  L93              Difference]: Finished difference Result 67 states and 74 transitions.
[2025-05-07 17:26:56,669 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:26:56,670 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:26:56,671 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:56,676 INFO  L225             Difference]: With dead ends: 67
[2025-05-07 17:26:56,676 INFO  L226             Difference]: Without dead ends: 60
[2025-05-07 17:26:56,678 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 17:26:56,680 INFO  L437           NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:56,681 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 203 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:56,693 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2025-05-07 17:26:56,709 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58.
[2025-05-07 17:26:56,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 25 states have (on average 1.04) internal successors, (26), 26 states have internal predecessors, (26), 17 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (18), 16 states have call predecessors, (18), 17 states have call successors, (18)
[2025-05-07 17:26:56,713 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions.
[2025-05-07 17:26:56,714 INFO  L79                 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 51
[2025-05-07 17:26:56,714 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:56,714 INFO  L485      AbstractCegarLoop]: Abstraction has 58 states and 62 transitions.
[2025-05-07 17:26:56,714 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:56,714 INFO  L278                IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions.
[2025-05-07 17:26:56,715 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:56,716 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:56,716 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 17:26:56,716 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:26:56,716 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:56,717 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:56,717 INFO  L85        PathProgramCache]: Analyzing trace with hash -543674529, now seen corresponding path program 1 times
[2025-05-07 17:26:56,717 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:56,717 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880581471]
[2025-05-07 17:26:56,717 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:56,717 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:56,747 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:56,775 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:56,775 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:56,776 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:56,994 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 17:26:56,994 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:56,994 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880581471]
[2025-05-07 17:26:56,994 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880581471] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:56,994 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:56,994 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:26:56,994 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694254199]
[2025-05-07 17:26:56,995 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:56,996 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:26:56,996 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:56,997 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:26:56,997 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:56,997 INFO  L87              Difference]: Start difference. First operand 58 states and 62 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:26:57,069 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:57,070 INFO  L93              Difference]: Finished difference Result 63 states and 68 transitions.
[2025-05-07 17:26:57,070 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:26:57,070 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:26:57,070 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:57,071 INFO  L225             Difference]: With dead ends: 63
[2025-05-07 17:26:57,071 INFO  L226             Difference]: Without dead ends: 63
[2025-05-07 17:26:57,071 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:26:57,072 INFO  L437           NwaCegarLoop]: 59 mSDtfsCounter, 1 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:57,072 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 394 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:57,073 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2025-05-07 17:26:57,076 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63.
[2025-05-07 17:26:57,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 18 states have call successors, (19), 15 states have call predecessors, (19), 17 states have return successors, (21), 19 states have call predecessors, (21), 18 states have call successors, (21)
[2025-05-07 17:26:57,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions.
[2025-05-07 17:26:57,077 INFO  L79                 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 51
[2025-05-07 17:26:57,077 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:57,077 INFO  L485      AbstractCegarLoop]: Abstraction has 63 states and 68 transitions.
[2025-05-07 17:26:57,078 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:26:57,078 INFO  L278                IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions.
[2025-05-07 17:26:57,078 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:26:57,078 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:57,079 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 17:26:57,079 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:26:57,079 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:57,079 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:57,079 INFO  L85        PathProgramCache]: Analyzing trace with hash -1680416061, now seen corresponding path program 1 times
[2025-05-07 17:26:57,079 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:57,079 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558960504]
[2025-05-07 17:26:57,079 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:57,080 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:57,101 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:26:57,118 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:26:57,118 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:57,118 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:57,233 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 17:26:57,233 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:57,233 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558960504]
[2025-05-07 17:26:57,233 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558960504] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:57,233 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:57,233 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:57,234 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733425553]
[2025-05-07 17:26:57,234 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:57,234 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:57,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:57,235 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:57,235 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:57,235 INFO  L87              Difference]: Start difference. First operand 63 states and 68 transitions. Second operand  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:57,268 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:57,269 INFO  L93              Difference]: Finished difference Result 57 states and 62 transitions.
[2025-05-07 17:26:57,269 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:57,269 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:26:57,269 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:57,269 INFO  L225             Difference]: With dead ends: 57
[2025-05-07 17:26:57,269 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:26:57,270 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:57,270 INFO  L437           NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:57,270 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 275 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:57,271 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:26:57,271 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:26:57,271 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 17:26:57,271 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:26:57,271 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:26:57,271 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:57,271 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:26:57,272 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:26:57,272 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:26:57,272 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:26:57,273 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:26:57,274 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:26:57,276 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:26:57,278 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:26:57,281 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:26:57 BoogieIcfgContainer
[2025-05-07 17:26:57,281 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:26:57,281 INFO  L158              Benchmark]: Toolchain (without parser) took 1524.56ms. Allocated memory is still 234.9MB. Free memory was 151.1MB in the beginning and 91.8MB in the end (delta: 59.3MB). Peak memory consumption was 58.9MB. Max. memory is 33.6GB.
[2025-05-07 17:26:57,281 INFO  L158              Benchmark]: SmtParser took 0.25ms. Allocated memory is still 234.9MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:57,282 INFO  L158              Benchmark]: ChcToBoogie took 43.57ms. Allocated memory is still 234.9MB. Free memory was 151.1MB in the beginning and 148.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:57,282 INFO  L158              Benchmark]: Boogie Preprocessor took 56.23ms. Allocated memory is still 234.9MB. Free memory was 148.3MB in the beginning and 145.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:57,282 INFO  L158              Benchmark]: RCFGBuilder took 384.99ms. Allocated memory is still 234.9MB. Free memory was 145.3MB in the beginning and 187.8MB in the end (delta: -42.5MB). Peak memory consumption was 42.2MB. Max. memory is 33.6GB.
[2025-05-07 17:26:57,282 INFO  L158              Benchmark]: TraceAbstraction took 1035.18ms. Allocated memory is still 234.9MB. Free memory was 187.2MB in the beginning and 91.8MB in the end (delta: 95.5MB). Peak memory consumption was 100.6MB. Max. memory is 33.6GB.
[2025-05-07 17:26:57,283 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.25ms. Allocated memory is still 234.9MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 43.57ms. Allocated memory is still 234.9MB. Free memory was 151.1MB in the beginning and 148.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 56.23ms. Allocated memory is still 234.9MB. Free memory was 148.3MB in the beginning and 145.3MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 384.99ms. Allocated memory is still 234.9MB. Free memory was 145.3MB in the beginning and 187.8MB in the end (delta: -42.5MB). Peak memory consumption was 42.2MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1035.18ms. Allocated memory is still 234.9MB. Free memory was 187.2MB in the beginning and 91.8MB in the end (delta: 95.5MB). Peak memory consumption was 100.6MB. 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, 74 locations, 113 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 872 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 686 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 186 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 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 17:26:57,292 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
