./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/loops/do_while_continue.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:25:48,914 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:25:48,970 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93769bb3-694b-4056-8619-5e49e3dba91f/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:25:48,974 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:25:48,974 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:25:48,991 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:25:48,992 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:25:48,992 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:25:48,992 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:25:48,992 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:25:48,993 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:25:48,993 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:25:48,993 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:25:48,993 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:25:48,993 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:25:48,993 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:25:48,993 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:25:48,993 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:25:48,993 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:48,994 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:25:48,994 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:25:48,994 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:25:48,994 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:25:48,994 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:25:48,994 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:25:48,995 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:25:48,995 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:25:49,211 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:25:49,217 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:25:49,218 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:25:49,219 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:25:49,220 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:25:49,220 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93769bb3-694b-4056-8619-5e49e3dba91f/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/loops/do_while_continue.sol_0_no_adts_000.smt2
[2025-05-07 17:25:49,221 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:25:49,224 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:25:49,401 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93769bb3-694b-4056-8619-5e49e3dba91f/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/loops/do_while_continue.sol_0_no_adts_000.smt2
[2025-05-07 17:25:49,403 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:25:49,404 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:25:49,405 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:25:49,405 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:25:49,405 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:25:49,407 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,432 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49 Unit
[2025-05-07 17:25:49,432 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:25:49,433 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:25:49,433 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:25:49,433 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:25:49,444 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,445 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,465 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,465 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,469 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,470 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,471 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,472 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,473 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,483 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:25:49,483 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:25:49,483 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:25:49,483 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:25:49,484 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (1/1) ...
[2025-05-07 17:25:49,486 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:49,495 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:25:49,504 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 17:25:49,506 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 17:25:49,514 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:25:49,514 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:25:49,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:25:49,514 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_3_0 given in one single declaration
[2025-05-07 17:25:49,514 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_3_0
[2025-05-07 17:25:49,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_3_0
[2025-05-07 17:25:49,514 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__23_24_0 given in one single declaration
[2025-05-07 17:25:49,514 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__23_24_0
[2025-05-07 17:25:49,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__23_24_0
[2025-05-07 17:25:49,515 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_f__23_24_0 given in one single declaration
[2025-05-07 17:25:49,515 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_f__23_24_0
[2025-05-07 17:25:49,515 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_f__23_24_0
[2025-05-07 17:25:49,515 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__23_24_0 given in one single declaration
[2025-05-07 17:25:49,515 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__23_24_0
[2025-05-07 17:25:49,515 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__23_24_0
[2025-05-07 17:25:49,515 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__23_24_0 given in one single declaration
[2025-05-07 17:25:49,515 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__23_24_0
[2025-05-07 17:25:49,515 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__23_24_0
[2025-05-07 17:25:49,515 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_f_22_24_0 given in one single declaration
[2025-05-07 17:25:49,515 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_f_22_24_0
[2025-05-07 17:25:49,515 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_f_22_24_0
[2025-05-07 17:25:49,515 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_do_while_header_f_15_24_0 given in one single declaration
[2025-05-07 17:25:49,515 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_do_while_header_f_15_24_0
[2025-05-07 17:25:49,515 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_do_while_header_f_15_24_0
[2025-05-07 17:25:49,515 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_do_while_body_f_11_24_0 given in one single declaration
[2025-05-07 17:25:49,515 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_do_while_body_f_11_24_0
[2025-05-07 17:25:49,515 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_do_while_body_f_11_24_0
[2025-05-07 17:25:49,515 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_22_24_0 given in one single declaration
[2025-05-07 17:25:49,515 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_22_24_0
[2025-05-07 17:25:49,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_22_24_0
[2025-05-07 17:25:49,516 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__23_24_0 given in one single declaration
[2025-05-07 17:25:49,516 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__23_24_0
[2025-05-07 17:25:49,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__23_24_0
[2025-05-07 17:25:49,516 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__23_24_0 given in one single declaration
[2025-05-07 17:25:49,516 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__23_24_0
[2025-05-07 17:25:49,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__23_24_0
[2025-05-07 17:25:49,516 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_24_0 given in one single declaration
[2025-05-07 17:25:49,516 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_24_0
[2025-05-07 17:25:49,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_24_0
[2025-05-07 17:25:49,516 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_24_0 given in one single declaration
[2025-05-07 17:25:49,516 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_24_0
[2025-05-07 17:25:49,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_24_0
[2025-05-07 17:25:49,516 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_18_C_24_0 given in one single declaration
[2025-05-07 17:25:49,516 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_18_C_24_0
[2025-05-07 17:25:49,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_18_C_24_0
[2025-05-07 17:25:49,516 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_15_C_24_0 given in one single declaration
[2025-05-07 17:25:49,516 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_15_C_24_0
[2025-05-07 17:25:49,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_15_C_24_0
[2025-05-07 17:25:49,516 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_17_C_24_0 given in one single declaration
[2025-05-07 17:25:49,517 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_17_C_24_0
[2025-05-07 17:25:49,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_17_C_24_0
[2025-05-07 17:25:49,517 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_16_C_24_0 given in one single declaration
[2025-05-07 17:25:49,517 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_16_C_24_0
[2025-05-07 17:25:49,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_16_C_24_0
[2025-05-07 17:25:49,517 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:25:49,517 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:25:49,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:25:49,618 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:25:49,620 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:25:49,769 INFO  L?                        ?]: Removed 117 outVars from TransFormulas that were not future-live.
[2025-05-07 17:25:49,769 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:25:49,777 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:25:49,778 INFO  L312             CfgBuilder]: Removed 8 assume(true) statements.
[2025-05-07 17:25:49,778 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:49 BoogieIcfgContainer
[2025-05-07 17:25:49,778 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:25:49,780 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:25:49,780 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:25:49,783 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:25:49,783 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:49" (1/3) ...
[2025-05-07 17:25:49,784 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8a48d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:25:49, skipping insertion in model container
[2025-05-07 17:25:49,784 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:49" (2/3) ...
[2025-05-07 17:25:49,784 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8a48d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:25:49, skipping insertion in model container
[2025-05-07 17:25:49,784 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:49" (3/3) ...
[2025-05-07 17:25:49,785 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:25:49,796 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:25:49,798 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 19 procedures, 74 locations, 107 edges, 19 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:25:49,827 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:25:49,836 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;@4959c8b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:25:49,836 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:25:49,840 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), 23 states have call successors, (24), 18 states have call predecessors, (24), 18 states have return successors, (24), 20 states have call predecessors, (24), 23 states have call successors, (24)
[2025-05-07 17:25:49,846 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:25:49,846 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:49,847 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]
[2025-05-07 17:25:49,847 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:49,851 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:49,851 INFO  L85        PathProgramCache]: Analyzing trace with hash 994708173, now seen corresponding path program 1 times
[2025-05-07 17:25:49,856 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:49,857 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773704260]
[2025-05-07 17:25:49,857 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:49,857 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:49,907 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:25:49,925 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:25:49,925 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:49,925 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:50,098 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 17:25:50,098 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:50,099 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773704260]
[2025-05-07 17:25:50,099 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773704260] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:50,099 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:50,101 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:25:50,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471369320]
[2025-05-07 17:25:50,103 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:50,105 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:25:50,106 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:50,123 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:25:50,124 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:25:50,125 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), 23 states have call successors, (24), 18 states have call predecessors, (24), 18 states have return successors, (24), 20 states have call predecessors, (24), 23 states have call successors, (24) Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:25:50,161 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:50,161 INFO  L93              Difference]: Finished difference Result 76 states and 85 transitions.
[2025-05-07 17:25:50,162 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:25:50,163 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:25:50,164 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:50,169 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:25:50,169 INFO  L226             Difference]: Without dead ends: 72
[2025-05-07 17:25:50,171 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 17:25:50,173 INFO  L437           NwaCegarLoop]: 82 mSDtfsCounter, 1 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 238 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 17:25:50,176 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:50,186 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2025-05-07 17:25:50,210 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70.
[2025-05-07 17:25:50,212 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 70 states, 31 states have (on average 1.032258064516129) internal successors, (32), 32 states have internal predecessors, (32), 21 states have call successors, (22), 18 states have call predecessors, (22), 18 states have return successors, (22), 19 states have call predecessors, (22), 21 states have call successors, (22)
[2025-05-07 17:25:50,216 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions.
[2025-05-07 17:25:50,217 INFO  L79                 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 59
[2025-05-07 17:25:50,217 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:50,217 INFO  L485      AbstractCegarLoop]: Abstraction has 70 states and 76 transitions.
[2025-05-07 17:25:50,218 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:25:50,218 INFO  L278                IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions.
[2025-05-07 17:25:50,220 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:25:50,220 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:50,220 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]
[2025-05-07 17:25:50,220 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:25:50,221 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:50,221 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:50,221 INFO  L85        PathProgramCache]: Analyzing trace with hash 2019454665, now seen corresponding path program 1 times
[2025-05-07 17:25:50,222 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:50,222 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393707469]
[2025-05-07 17:25:50,222 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:50,222 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:50,249 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:25:50,273 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:25:50,273 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:50,273 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:50,458 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 17:25:50,458 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:50,458 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393707469]
[2025-05-07 17:25:50,458 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393707469] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:50,458 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:50,458 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:25:50,458 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552747915]
[2025-05-07 17:25:50,458 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:50,460 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:25:50,460 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:50,460 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:25:50,461 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:25:50,461 INFO  L87              Difference]: Start difference. First operand 70 states and 76 transitions. Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:25:50,494 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:50,495 INFO  L93              Difference]: Finished difference Result 72 states and 78 transitions.
[2025-05-07 17:25:50,495 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:25:50,495 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:25:50,496 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:50,497 INFO  L225             Difference]: With dead ends: 72
[2025-05-07 17:25:50,497 INFO  L226             Difference]: Without dead ends: 72
[2025-05-07 17:25:50,497 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 17:25:50,498 INFO  L437           NwaCegarLoop]: 73 mSDtfsCounter, 1 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:50,498 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 210 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:50,499 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2025-05-07 17:25:50,505 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2025-05-07 17:25:50,505 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 32 states have (on average 1.03125) internal successors, (33), 33 states have internal predecessors, (33), 21 states have call successors, (22), 18 states have call predecessors, (22), 19 states have return successors, (23), 20 states have call predecessors, (23), 21 states have call successors, (23)
[2025-05-07 17:25:50,506 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions.
[2025-05-07 17:25:50,506 INFO  L79                 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 59
[2025-05-07 17:25:50,507 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:50,507 INFO  L485      AbstractCegarLoop]: Abstraction has 72 states and 78 transitions.
[2025-05-07 17:25:50,507 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:25:50,507 INFO  L278                IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions.
[2025-05-07 17:25:50,509 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-05-07 17:25:50,509 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:50,509 INFO  L218           NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1]
[2025-05-07 17:25:50,509 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:25:50,509 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:50,510 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:50,510 INFO  L85        PathProgramCache]: Analyzing trace with hash 966587029, now seen corresponding path program 1 times
[2025-05-07 17:25:50,510 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:50,510 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462376212]
[2025-05-07 17:25:50,510 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:50,510 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:50,532 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-05-07 17:25:50,548 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-05-07 17:25:50,549 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:50,549 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:50,691 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2025-05-07 17:25:50,691 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:50,691 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462376212]
[2025-05-07 17:25:50,691 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462376212] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:50,691 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:50,691 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:25:50,691 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502844038]
[2025-05-07 17:25:50,691 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:50,691 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:25:50,691 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:50,692 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:25:50,692 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:25:50,692 INFO  L87              Difference]: Start difference. First operand 72 states and 78 transitions. Second operand  has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:25:50,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:50,728 INFO  L93              Difference]: Finished difference Result 55 states and 61 transitions.
[2025-05-07 17:25:50,728 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:25:50,729 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 66
[2025-05-07 17:25:50,729 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:50,729 INFO  L225             Difference]: With dead ends: 55
[2025-05-07 17:25:50,729 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:25:50,729 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:25:50,730 INFO  L437           NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:50,730 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 204 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:50,730 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:25:50,730 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:25:50,730 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 17:25:50,731 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:25:50,731 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66
[2025-05-07 17:25:50,731 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:50,731 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:25:50,731 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:25:50,731 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:25:50,731 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:25:50,733 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:25:50,733 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:25:50,736 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:25:50,737 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:25:50,740 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:25:50 BoogieIcfgContainer
[2025-05-07 17:25:50,740 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:25:50,741 INFO  L158              Benchmark]: Toolchain (without parser) took 1336.65ms. Allocated memory is still 234.9MB. Free memory was 156.7MB in the beginning and 80.9MB in the end (delta: 75.7MB). Peak memory consumption was 74.4MB. Max. memory is 33.6GB.
[2025-05-07 17:25:50,741 INFO  L158              Benchmark]: SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:50,741 INFO  L158              Benchmark]: ChcToBoogie took 28.17ms. Allocated memory is still 234.9MB. Free memory was 156.6MB in the beginning and 154.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:50,741 INFO  L158              Benchmark]: Boogie Preprocessor took 49.75ms. Allocated memory is still 234.9MB. Free memory was 154.5MB in the beginning and 151.7MB in the end (delta: 2.9MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:25:50,741 INFO  L158              Benchmark]: RCFGBuilder took 295.00ms. Allocated memory is still 234.9MB. Free memory was 151.6MB in the beginning and 128.3MB in the end (delta: 23.3MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:25:50,741 INFO  L158              Benchmark]: TraceAbstraction took 960.03ms. Allocated memory is still 234.9MB. Free memory was 127.7MB in the beginning and 80.9MB in the end (delta: 46.7MB). Peak memory consumption was 40.9MB. Max. memory is 33.6GB.
[2025-05-07 17:25:50,742 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 172.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 28.17ms. Allocated memory is still 234.9MB. Free memory was 156.6MB in the beginning and 154.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 49.75ms. Allocated memory is still 234.9MB. Free memory was 154.5MB in the beginning and 151.7MB in the end (delta: 2.9MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * RCFGBuilder took 295.00ms. Allocated memory is still 234.9MB. Free memory was 151.6MB in the beginning and 128.3MB in the end (delta: 23.3MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 960.03ms. Allocated memory is still 234.9MB. Free memory was 127.7MB in the beginning and 80.9MB in the end (delta: 46.7MB). Peak memory consumption was 40.9MB. 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, 107 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 652 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 443 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 209 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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 17:25:50,752 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
