/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 21:47:48,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 21:47:48,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 21:47:48,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 21:47:48,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 21:47:48,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 21:47:48,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 21:47:48,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 21:47:48,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 21:47:48,532 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 21:47:48,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 21:47:48,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 21:47:48,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 21:47:48,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 21:47:48,535 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 21:47:48,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 21:47:48,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 21:47:48,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 21:47:48,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 21:47:48,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 21:47:48,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 21:47:48,538 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 21:47:48,538 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 21:47:48,538 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 21:47:48,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 21:47:48,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 21:47:48,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 21:47:48,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 21:47:48,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 21:47:48,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 21:47:48,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 21:47:48,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 21:47:48,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 21:47:48,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 21:47:48,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 21:47:48,542 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 21:47:48,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 21:47:48,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 21:47:48,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 21:47:48,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 21:47:48,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 21:47:48,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 21:47:48,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 21:47:48,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 21:47:48,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 21:47:48,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 21:47:48,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 21:47:48,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2024-11-04 21:47:50,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 21:47:50,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 21:47:50,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2024-11-04 21:47:50,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b0955b8/e6c8cdd64ec44948913b95754edf9672/FLAGb5bbd84bf [2024-11-04 21:47:50,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b0955b8/e6c8cdd64ec44948913b95754edf9672 [2024-11-04 21:47:50,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 21:47:50,945 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 21:47:50,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 21:47:50,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 21:47:50,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 21:47:50,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 09:47:50" (1/1) ... [2024-11-04 21:47:50,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406a23c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:50, skipping insertion in model container [2024-11-04 21:47:50,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 09:47:50" (1/1) ... [2024-11-04 21:47:51,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 21:47:51,189 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2024-11-04 21:47:51,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 21:47:51,360 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 21:47:51,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2024-11-04 21:47:51,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 21:47:51,468 INFO L204 MainTranslator]: Completed translation [2024-11-04 21:47:51,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51 WrapperNode [2024-11-04 21:47:51,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 21:47:51,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 21:47:51,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 21:47:51,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 21:47:51,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,540 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 639 [2024-11-04 21:47:51,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 21:47:51,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 21:47:51,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 21:47:51,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 21:47:51,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,601 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]. [2024-11-04 21:47:51,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 21:47:51,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 21:47:51,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 21:47:51,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 21:47:51,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (1/1) ... [2024-11-04 21:47:51,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 21:47:51,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 21:47:51,709 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) [2024-11-04 21:47:51,714 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 [2024-11-04 21:47:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 21:47:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 21:47:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 21:47:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 21:47:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 21:47:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 21:47:51,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 21:47:51,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 21:47:52,629 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-04 21:47:52,630 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 21:47:52,644 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 21:47:52,644 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 21:47:52,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 09:47:52 BoogieIcfgContainer [2024-11-04 21:47:52,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 21:47:52,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 21:47:52,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 21:47:52,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 21:47:52,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 09:47:50" (1/3) ... [2024-11-04 21:47:52,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e83d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 09:47:52, skipping insertion in model container [2024-11-04 21:47:52,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 09:47:51" (2/3) ... [2024-11-04 21:47:52,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e83d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 09:47:52, skipping insertion in model container [2024-11-04 21:47:52,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 09:47:52" (3/3) ... [2024-11-04 21:47:52,654 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2024-11-04 21:47:52,671 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 21:47:52,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 21:47:52,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 21:47:52,729 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;@76536d60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 21:47:52,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 21:47:52,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-04 21:47:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-04 21:47:52,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 21:47:52,744 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 21:47:52,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 21:47:52,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 21:47:52,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1944675641, now seen corresponding path program 1 times [2024-11-04 21:47:52,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 21:47:52,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094392076] [2024-11-04 21:47:52,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 21:47:52,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 21:47:52,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 21:47:52,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 21:47:52,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 21:47:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 21:47:53,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 21:47:53,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 21:47:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-04 21:47:53,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 21:47:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-04 21:47:53,234 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 21:47:53,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094392076] [2024-11-04 21:47:53,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1094392076] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 21:47:53,237 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 21:47:53,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 21:47:53,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012065576] [2024-11-04 21:47:53,239 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 21:47:53,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 21:47:53,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 21:47:53,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 21:47:53,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 21:47:53,270 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-04 21:47:53,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 21:47:53,287 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2024-11-04 21:47:53,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 21:47:53,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-04 21:47:53,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 21:47:53,293 INFO L225 Difference]: With dead ends: 35 [2024-11-04 21:47:53,293 INFO L226 Difference]: Without dead ends: 17 [2024-11-04 21:47:53,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 21:47:53,298 INFO L432 NwaCegarLoop]: 19 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, 19 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 [2024-11-04 21:47:53,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 21:47:53,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-04 21:47:53,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-04 21:47:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-04 21:47:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-04 21:47:53,328 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 23 [2024-11-04 21:47:53,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 21:47:53,328 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-04 21:47:53,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-04 21:47:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-04 21:47:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-04 21:47:53,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 21:47:53,330 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 21:47:53,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 21:47:53,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 21:47:53,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 21:47:53,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 21:47:53,536 INFO L85 PathProgramCache]: Analyzing trace with hash 265954675, now seen corresponding path program 1 times [2024-11-04 21:47:53,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 21:47:53,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339263527] [2024-11-04 21:47:53,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 21:47:53,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 21:47:53,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 21:47:53,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 21:47:53,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 21:47:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 21:47:53,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-04 21:47:53,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 21:47:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 21:47:54,135 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 21:47:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 21:47:54,409 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 21:47:54,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339263527] [2024-11-04 21:47:54,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [339263527] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 21:47:54,412 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 21:47:54,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 21:47:54,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008681610] [2024-11-04 21:47:54,412 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 21:47:54,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 21:47:54,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 21:47:54,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 21:47:54,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 21:47:54,415 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-04 21:47:54,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 21:47:54,534 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-04 21:47:54,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 21:47:54,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 23 [2024-11-04 21:47:54,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 21:47:54,536 INFO L225 Difference]: With dead ends: 27 [2024-11-04 21:47:54,537 INFO L226 Difference]: Without dead ends: 25 [2024-11-04 21:47:54,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 21:47:54,538 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-04 21:47:54,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-04 21:47:54,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-04 21:47:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-04 21:47:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-04 21:47:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-04 21:47:54,548 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 23 [2024-11-04 21:47:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 21:47:54,550 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-04 21:47:54,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-04 21:47:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-04 21:47:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-04 21:47:54,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 21:47:54,553 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-04 21:47:54,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 21:47:54,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 21:47:54,757 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 21:47:54,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 21:47:54,757 INFO L85 PathProgramCache]: Analyzing trace with hash 416519459, now seen corresponding path program 1 times [2024-11-04 21:47:54,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 21:47:54,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236985639] [2024-11-04 21:47:54,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 21:47:54,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 21:47:54,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 21:47:54,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 21:47:54,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 21:47:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 21:47:55,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-04 21:47:55,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 21:47:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-04 21:47:55,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 21:48:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-04 21:48:01,828 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 21:48:01,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236985639] [2024-11-04 21:48:01,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [236985639] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-04 21:48:01,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-04 21:48:01,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-04 21:48:01,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739363843] [2024-11-04 21:48:01,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-04 21:48:01,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-04 21:48:01,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 21:48:01,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-04 21:48:01,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-04 21:48:01,835 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 15 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-04 21:48:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 21:48:02,299 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-11-04 21:48:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-04 21:48:02,300 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) Word has length 44 [2024-11-04 21:48:02,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 21:48:02,301 INFO L225 Difference]: With dead ends: 36 [2024-11-04 21:48:02,301 INFO L226 Difference]: Without dead ends: 34 [2024-11-04 21:48:02,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-04 21:48:02,302 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 21:48:02,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 65 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 21:48:02,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-04 21:48:02,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-04 21:48:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-04 21:48:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-04 21:48:02,316 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 44 [2024-11-04 21:48:02,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 21:48:02,317 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-04 21:48:02,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-04 21:48:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-04 21:48:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-04 21:48:02,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 21:48:02,320 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-04 21:48:02,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-04 21:48:02,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 21:48:02,521 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 21:48:02,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 21:48:02,522 INFO L85 PathProgramCache]: Analyzing trace with hash 223728499, now seen corresponding path program 2 times [2024-11-04 21:48:02,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 21:48:02,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806227690] [2024-11-04 21:48:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 21:48:02,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 21:48:02,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 21:48:02,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 21:48:02,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 21:48:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 21:48:03,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-04 21:48:03,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 21:48:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 64 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-04 21:48:06,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 21:48:13,343 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse15 (= |c_ULTIMATE.start_main_~state_91~0#1| (_ bv0 8)))) (let ((.cse5 (= |c_ULTIMATE.start_main_~state_87~0#1| (bvand |c_ULTIMATE.start_main_~state_55~0#1| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (.cse12 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|)) (.cse13 (not .cse15)) (.cse14 (or .cse15 (forall ((|v_ULTIMATE.start_main_~var_114_arg_0~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_110_arg_1~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_110_arg_1~0#1_17|)))))))))))))))) (let ((.cse4 (and (or (forall ((|v_ULTIMATE.start_main_~var_114_arg_0~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_17|) .cse12)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_17|)))))))))))))))))) .cse8)))) .cse13) .cse14)) (.cse1 (not .cse5)) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_16| (_ BitVec 32))) (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_58_arg_2~0#1_16|) |c_ULTIMATE.start_main_~state_87~0#1|)))) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_58_arg_2~0#1_16| (_ BitVec 32))) (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_58_arg_2~0#1_16|) |c_ULTIMATE.start_main_~state_87~0#1|))) (.cse7 (and (or (forall ((|v_ULTIMATE.start_main_~var_114_arg_0~0#1_18| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_85_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_74_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_71_arg_1~0#1_17| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_114_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_74_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_71_arg_1~0#1_17|) .cse12)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_85_arg_1~0#1_17|)))))))))))))))))))) (_ bv0 8))) .cse13) .cse14)) (.cse9 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_13~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_12~0#1|))))))))) (and (or (let ((.cse0 (= ((_ extract 7 0) (bvand .cse8 (_ bv254 32))) (_ bv0 8)))) (let ((.cse3 (not .cse0))) (and (or (and (or .cse0 .cse1) (or .cse2 .cse3)) .cse4) (or (and (or .cse0 .cse5) (or .cse6 .cse3)) .cse7)))) .cse9) (or (let ((.cse10 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 (_ bv255 32)))))) (let ((.cse11 (not .cse10))) (and (or .cse4 (and (or .cse10 .cse1) (or .cse2 .cse11))) (or (and (or .cse6 .cse11) (or .cse10 .cse5)) .cse7)))) (not .cse9)))))) is different from false [2024-11-04 21:48:28,834 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-04 21:48:28,836 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 21:48:28,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806227690] [2024-11-04 21:48:28,837 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-04 21:48:28,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-04 21:48:28,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-04 21:48:29,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 21:48:29,038 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-11-04 21:48:29,044 INFO L158 Benchmark]: Toolchain (without parser) took 38098.50ms. Allocated memory was 184.5MB in the beginning and 721.4MB in the end (delta: 536.9MB). Free memory was 129.0MB in the beginning and 517.2MB in the end (delta: -388.2MB). Peak memory consumption was 419.2MB. Max. memory is 8.0GB. [2024-11-04 21:48:29,044 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-04 21:48:29,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.25ms. Allocated memory is still 184.5MB. Free memory was 128.9MB in the beginning and 100.7MB in the end (delta: 28.2MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-11-04 21:48:29,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.60ms. Allocated memory is still 184.5MB. Free memory was 100.7MB in the beginning and 94.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-11-04 21:48:29,045 INFO L158 Benchmark]: Boogie Preprocessor took 103.73ms. Allocated memory is still 184.5MB. Free memory was 94.9MB in the beginning and 89.0MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-04 21:48:29,046 INFO L158 Benchmark]: RCFGBuilder took 998.80ms. Allocated memory was 184.5MB in the beginning and 313.5MB in the end (delta: 129.0MB). Free memory was 88.6MB in the beginning and 233.1MB in the end (delta: -144.5MB). Peak memory consumption was 28.4MB. Max. memory is 8.0GB. [2024-11-04 21:48:29,046 INFO L158 Benchmark]: TraceAbstraction took 36395.20ms. Allocated memory was 313.5MB in the beginning and 721.4MB in the end (delta: 407.9MB). Free memory was 232.6MB in the beginning and 517.2MB in the end (delta: -284.6MB). Peak memory consumption was 392.9MB. Max. memory is 8.0GB. [2024-11-04 21:48:29,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 523.25ms. Allocated memory is still 184.5MB. Free memory was 128.9MB in the beginning and 100.7MB in the end (delta: 28.2MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.60ms. Allocated memory is still 184.5MB. Free memory was 100.7MB in the beginning and 94.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 103.73ms. Allocated memory is still 184.5MB. Free memory was 94.9MB in the beginning and 89.0MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 998.80ms. Allocated memory was 184.5MB in the beginning and 313.5MB in the end (delta: 129.0MB). Free memory was 88.6MB in the beginning and 233.1MB in the end (delta: -144.5MB). Peak memory consumption was 28.4MB. Max. memory is 8.0GB. * TraceAbstraction took 36395.20ms. Allocated memory was 313.5MB in the beginning and 721.4MB in the end (delta: 407.9MB). Free memory was 232.6MB in the beginning and 517.2MB in the end (delta: -284.6MB). Peak memory consumption was 392.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...