/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-76.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:01:30,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:01:30,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 05:01:30,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:01:30,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:01:30,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:01:30,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:01:30,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:01:30,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:01:30,698 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:01:30,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:01:30,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:01:30,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:01:30,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:01:30,699 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:01:30,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:01:30,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:01:30,700 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:01:30,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:01:30,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:01:30,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:01:30,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:01:30,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:01:30,704 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:01:30,704 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:01:30,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:01:30,705 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:01:30,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:01:30,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:01:30,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:01:30,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:01:30,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:01:30,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:01:30,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:01:30,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:01:30,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:01:30,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:01:30,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:01:30,709 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:01:30,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:01:30,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:01:30,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:01:30,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:01:30,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:01:30,710 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:01:30,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:01:31,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:01:31,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:01:31,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:01:31,021 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:01:31,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-76.i [2024-11-03 05:01:32,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:01:32,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:01:32,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-76.i [2024-11-03 05:01:32,882 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c247e38/34cc2aca80444c72a837a839e3861f1c/FLAG58f77d756 [2024-11-03 05:01:32,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c247e38/34cc2aca80444c72a837a839e3861f1c [2024-11-03 05:01:32,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:01:32,913 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:01:32,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:01:32,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:01:32,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:01:32,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:32" (1/1) ... [2024-11-03 05:01:32,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37bb5344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:32, skipping insertion in model container [2024-11-03 05:01:32,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:32" (1/1) ... [2024-11-03 05:01:32,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:01:33,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-76.i[916,929] [2024-11-03 05:01:33,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:01:33,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:01:33,399 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-76.i[916,929] [2024-11-03 05:01:33,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:01:33,494 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:01:33,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33 WrapperNode [2024-11-03 05:01:33,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:01:33,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:01:33,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:01:33,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:01:33,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,597 INFO L138 Inliner]: procedures = 27, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 381 [2024-11-03 05:01:33,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:01:33,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:01:33,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:01:33,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:01:33,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,637 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 05:01:33,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:01:33,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:01:33,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:01:33,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:01:33,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (1/1) ... [2024-11-03 05:01:33,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:01:33,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:01:33,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 05:01:33,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 05:01:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:01:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:01:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 05:01:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 05:01:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:01:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:01:33,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:01:33,874 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:02:09,561 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-03 05:02:09,562 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:02:09,573 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:02:09,574 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:02:09,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:02:09 BoogieIcfgContainer [2024-11-03 05:02:09,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:02:09,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:02:09,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:02:09,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:02:09,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:01:32" (1/3) ... [2024-11-03 05:02:09,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b438c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:02:09, skipping insertion in model container [2024-11-03 05:02:09,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:33" (2/3) ... [2024-11-03 05:02:09,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b438c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:02:09, skipping insertion in model container [2024-11-03 05:02:09,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:02:09" (3/3) ... [2024-11-03 05:02:09,582 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-76.i [2024-11-03 05:02:09,595 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:02:09,596 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:02:09,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:02:09,658 INFO L333 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=LoopHeads, 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;@140eaa24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:02:09,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:02:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 100 states have (on average 1.48) internal successors, (148), 101 states have internal predecessors, (148), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-03 05:02:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-03 05:02:09,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:02:09,689 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:02:09,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:02:09,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:02:09,695 INFO L85 PathProgramCache]: Analyzing trace with hash -322965104, now seen corresponding path program 1 times [2024-11-03 05:02:09,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:02:09,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100791063] [2024-11-03 05:02:09,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:02:09,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:02:09,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:02:09,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:02:09,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 05:02:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:02:09,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 05:02:09,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:02:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 6050 trivial. 0 not checked. [2024-11-03 05:02:10,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:02:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 6050 trivial. 0 not checked. [2024-11-03 05:02:15,793 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:02:15,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100791063] [2024-11-03 05:02:15,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1100791063] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:02:15,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:02:15,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 05:02:15,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620069689] [2024-11-03 05:02:15,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:02:15,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 05:02:15,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:02:15,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 05:02:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:02:15,828 INFO L87 Difference]: Start difference. First operand has 159 states, 100 states have (on average 1.48) internal successors, (148), 101 states have internal predecessors, (148), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-03 05:02:15,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:02:15,865 INFO L93 Difference]: Finished difference Result 311 states and 570 transitions. [2024-11-03 05:02:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 05:02:15,868 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) Word has length 352 [2024-11-03 05:02:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:02:15,875 INFO L225 Difference]: With dead ends: 311 [2024-11-03 05:02:15,876 INFO L226 Difference]: Without dead ends: 155 [2024-11-03 05:02:15,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 702 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:02:15,882 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:02:15,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:02:15,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-03 05:02:15,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-03 05:02:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 97 states have internal predecessors, (141), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-03 05:02:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 253 transitions. [2024-11-03 05:02:15,933 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 253 transitions. Word has length 352 [2024-11-03 05:02:15,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:02:15,934 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 253 transitions. [2024-11-03 05:02:15,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-03 05:02:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 253 transitions. [2024-11-03 05:02:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-03 05:02:15,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:02:15,943 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:02:15,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 05:02:16,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:02:16,146 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:02:16,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:02:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash -557165860, now seen corresponding path program 1 times [2024-11-03 05:02:16,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:02:16,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965971533] [2024-11-03 05:02:16,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:02:16,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:02:16,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:02:16,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:02:16,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 05:02:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:02:16,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:02:16,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:02:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-03 05:02:17,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:02:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-03 05:02:24,141 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:02:24,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965971533] [2024-11-03 05:02:24,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [965971533] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:02:24,142 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:02:24,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:02:24,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218165441] [2024-11-03 05:02:24,142 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:02:24,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:02:24,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:02:24,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:02:24,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:02:24,145 INFO L87 Difference]: Start difference. First operand 155 states and 253 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-03 05:02:28,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 05:02:33,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 05:02:37,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 05:02:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:02:38,064 INFO L93 Difference]: Finished difference Result 456 states and 747 transitions. [2024-11-03 05:02:38,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:02:38,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 352 [2024-11-03 05:02:38,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:02:38,073 INFO L225 Difference]: With dead ends: 456 [2024-11-03 05:02:38,073 INFO L226 Difference]: Without dead ends: 304 [2024-11-03 05:02:38,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:02:38,075 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 221 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-03 05:02:38,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 680 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2024-11-03 05:02:38,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-03 05:02:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 302. [2024-11-03 05:02:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 187 states have (on average 1.427807486631016) internal successors, (267), 187 states have internal predecessors, (267), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-03 05:02:38,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 491 transitions. [2024-11-03 05:02:38,137 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 491 transitions. Word has length 352 [2024-11-03 05:02:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:02:38,138 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 491 transitions. [2024-11-03 05:02:38,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-03 05:02:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 491 transitions. [2024-11-03 05:02:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-03 05:02:38,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:02:38,142 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:02:38,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 05:02:38,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:02:38,343 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:02:38,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:02:38,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1066638950, now seen corresponding path program 1 times [2024-11-03 05:02:38,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:02:38,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841032754] [2024-11-03 05:02:38,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:02:38,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:02:38,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:02:38,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:02:38,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 05:02:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:02:38,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:02:38,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:02:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-03 05:02:39,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:02:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-03 05:02:46,628 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:02:46,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841032754] [2024-11-03 05:02:46,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [841032754] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:02:46,628 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:02:46,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:02:46,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047888174] [2024-11-03 05:02:46,629 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:02:46,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:02:46,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:02:46,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:02:46,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:02:46,631 INFO L87 Difference]: Start difference. First operand 302 states and 491 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-03 05:02:51,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 05:02:55,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 05:02:55,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:02:55,964 INFO L93 Difference]: Finished difference Result 686 states and 1109 transitions. [2024-11-03 05:02:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:02:55,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 352 [2024-11-03 05:02:55,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:02:55,969 INFO L225 Difference]: With dead ends: 686 [2024-11-03 05:02:55,969 INFO L226 Difference]: Without dead ends: 387 [2024-11-03 05:02:55,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:02:55,973 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 62 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-03 05:02:55,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 535 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2024-11-03 05:02:55,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-03 05:02:56,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2024-11-03 05:02:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 262 states have (on average 1.465648854961832) internal successors, (384), 264 states have internal predecessors, (384), 116 states have call successors, (116), 4 states have call predecessors, (116), 4 states have return successors, (116), 114 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-03 05:02:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 616 transitions. [2024-11-03 05:02:56,024 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 616 transitions. Word has length 352 [2024-11-03 05:02:56,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:02:56,025 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 616 transitions. [2024-11-03 05:02:56,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-03 05:02:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 616 transitions. [2024-11-03 05:02:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-03 05:02:56,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:02:56,030 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:02:56,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 05:02:56,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:02:56,234 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:02:56,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:02:56,235 INFO L85 PathProgramCache]: Analyzing trace with hash -926090340, now seen corresponding path program 1 times [2024-11-03 05:02:56,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:02:56,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287197940] [2024-11-03 05:02:56,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:02:56,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:02:56,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:02:56,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:02:56,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 05:02:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:02:56,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:02:56,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:02:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-03 05:02:57,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:03:04,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-03 05:03:04,759 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:03:04,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287197940] [2024-11-03 05:03:04,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1287197940] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:03:04,759 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:03:04,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:03:04,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210111507] [2024-11-03 05:03:04,760 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:03:04,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:03:04,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:03:04,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:03:04,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:03:04,761 INFO L87 Difference]: Start difference. First operand 383 states and 616 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-03 05:03:09,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 05:03:13,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 05:03:13,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:03:13,783 INFO L93 Difference]: Finished difference Result 983 states and 1572 transitions. [2024-11-03 05:03:14,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:03:14,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 352 [2024-11-03 05:03:14,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:03:14,111 INFO L225 Difference]: With dead ends: 983 [2024-11-03 05:03:14,111 INFO L226 Difference]: Without dead ends: 603 [2024-11-03 05:03:14,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:03:14,113 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 120 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:03:14,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 493 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2024-11-03 05:03:14,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-03 05:03:14,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 599. [2024-11-03 05:03:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 408 states have (on average 1.4411764705882353) internal successors, (588), 414 states have internal predecessors, (588), 182 states have call successors, (182), 8 states have call predecessors, (182), 8 states have return successors, (182), 176 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-03 05:03:14,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 952 transitions. [2024-11-03 05:03:14,148 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 952 transitions. Word has length 352 [2024-11-03 05:03:14,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:03:14,149 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 952 transitions. [2024-11-03 05:03:14,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-03 05:03:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 952 transitions. [2024-11-03 05:03:14,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-03 05:03:14,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:03:14,151 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:03:14,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-03 05:03:14,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:03:14,355 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:03:14,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:03:14,355 INFO L85 PathProgramCache]: Analyzing trace with hash -983348642, now seen corresponding path program 1 times [2024-11-03 05:03:14,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:03:14,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630031509] [2024-11-03 05:03:14,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:03:14,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:03:14,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:03:14,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:03:14,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-03 05:03:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:03:14,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 234 conjuncts are in the unsatisfiable core [2024-11-03 05:03:14,605 INFO L278 TraceCheckSpWp]: Computing forward predicates...