/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 16:40:56,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 16:40:56,172 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 16:40:56,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 16:40:56,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 16:40:56,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 16:40:56,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 16:40:56,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 16:40:56,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 16:40:56,208 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 16:40:56,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 16:40:56,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 16:40:56,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 16:40:56,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 16:40:56,213 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 16:40:56,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 16:40:56,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 16:40:56,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 16:40:56,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 16:40:56,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 16:40:56,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 16:40:56,216 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 16:40:56,216 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 16:40:56,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 16:40:56,216 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 16:40:56,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 16:40:56,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 16:40:56,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 16:40:56,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 16:40:56,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 16:40:56,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 16:40:56,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 16:40:56,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 16:40:56,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 16:40:56,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 16:40:56,219 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 16:40:56,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 16:40:56,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 16:40:56,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 16:40:56,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 16:40:56,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 16:40:56,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:40:56,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 16:40:56,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 16:40:56,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 16:40:56,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 16:40:56,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 16:40:56,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul4.c [2024-11-04 16:40:58,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 16:40:58,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 16:40:58,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul4.c [2024-11-04 16:40:58,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70cca452/681df631815e414ebe74c7bbf0650eef/FLAG64fd30ce0 [2024-11-04 16:40:58,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c70cca452/681df631815e414ebe74c7bbf0650eef [2024-11-04 16:40:58,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 16:40:58,254 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 16:40:58,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 16:40:58,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 16:40:58,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 16:40:58,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fed2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58, skipping insertion in model container [2024-11-04 16:40:58,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 16:40:58,457 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.mul4.c[1244,1257] [2024-11-04 16:40:58,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 16:40:58,531 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 16:40:58,542 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.mul4.c[1244,1257] [2024-11-04 16:40:58,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 16:40:58,618 INFO L204 MainTranslator]: Completed translation [2024-11-04 16:40:58,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58 WrapperNode [2024-11-04 16:40:58,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 16:40:58,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 16:40:58,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 16:40:58,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 16:40:58,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,663 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 299 [2024-11-04 16:40:58,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 16:40:58,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 16:40:58,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 16:40:58,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 16:40:58,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,682 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,707 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-04 16:40:58,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 16:40:58,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 16:40:58,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 16:40:58,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 16:40:58,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (1/1) ... [2024-11-04 16:40:58,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 16:40:58,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 16:40:58,777 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 16:40:58,807 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 16:40:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 16:40:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 16:40:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 16:40:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 16:40:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 16:40:58,980 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 16:40:58,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 16:40:59,408 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-04 16:40:59,408 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 16:40:59,418 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 16:40:59,418 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 16:40:59,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:40:59 BoogieIcfgContainer [2024-11-04 16:40:59,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 16:40:59,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 16:40:59,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 16:40:59,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 16:40:59,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 04:40:58" (1/3) ... [2024-11-04 16:40:59,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fde6beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:40:59, skipping insertion in model container [2024-11-04 16:40:59,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:40:58" (2/3) ... [2024-11-04 16:40:59,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fde6beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:40:59, skipping insertion in model container [2024-11-04 16:40:59,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:40:59" (3/3) ... [2024-11-04 16:40:59,427 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul4.c [2024-11-04 16:40:59,442 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 16:40:59,442 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 16:40:59,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 16:40:59,489 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;@2960ec39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 16:40:59,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 16:40:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 16:40:59,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-04 16:40:59,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 16:40:59,498 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-04 16:40:59,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 16:40:59,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 16:40:59,502 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-04 16:40:59,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 16:40:59,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163053805] [2024-11-04 16:40:59,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 16:40:59,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:40:59,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 16:40:59,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 16:40:59,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 16:40:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 16:40:59,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-04 16:40:59,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 16:41:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 16:41:00,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 16:41:14,591 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-04 16:41:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 16:41:15,593 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 16:41:15,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163053805] [2024-11-04 16:41:15,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1163053805] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 16:41:15,594 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 16:41:15,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 16:41:15,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977386225] [2024-11-04 16:41:15,596 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 16:41:15,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 16:41:15,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 16:41:15,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 16:41:15,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 16:41:15,623 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 16:41:15,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 16:41:15,908 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-04 16:41:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 16:41:15,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-04 16:41:15,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 16:41:15,915 INFO L225 Difference]: With dead ends: 17 [2024-11-04 16:41:15,915 INFO L226 Difference]: Without dead ends: 9 [2024-11-04 16:41:15,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 16:41:15,919 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 16:41:15,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 16:41:15,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-04 16:41:15,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-04 16:41:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 16:41:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-04 16:41:15,946 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-04 16:41:15,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 16:41:15,946 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-04 16:41:15,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 16:41:15,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-04 16:41:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-04 16:41:15,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 16:41:15,947 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-04 16:41:15,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 16:41:16,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:41:16,148 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 16:41:16,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 16:41:16,149 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-04 16:41:16,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 16:41:16,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229009820] [2024-11-04 16:41:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 16:41:16,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:41:16,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 16:41:16,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 16:41:16,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 16:41:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 16:41:16,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-04 16:41:16,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 16:41:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 16:41:18,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 16:41:44,967 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 16:41:44,968 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 16:41:44,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229009820] [2024-11-04 16:41:44,969 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-04 16:41:44,970 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 16:41:44,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 16:41:45,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:41:45,171 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.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) 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) ... 44 more [2024-11-04 16:41:45,174 INFO L158 Benchmark]: Toolchain (without parser) took 46920.34ms. Allocated memory was 336.6MB in the beginning and 729.8MB in the end (delta: 393.2MB). Free memory was 278.1MB in the beginning and 295.9MB in the end (delta: -17.8MB). Peak memory consumption was 376.9MB. Max. memory is 8.0GB. [2024-11-04 16:41:45,175 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 209.7MB. Free memory was 161.5MB in the beginning and 161.3MB in the end (delta: 174.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-04 16:41:45,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.80ms. Allocated memory is still 336.6MB. Free memory was 277.9MB in the beginning and 259.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-11-04 16:41:45,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.42ms. Allocated memory is still 336.6MB. Free memory was 259.1MB in the beginning and 256.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-04 16:41:45,176 INFO L158 Benchmark]: Boogie Preprocessor took 65.76ms. Allocated memory is still 336.6MB. Free memory was 256.4MB in the beginning and 252.9MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-04 16:41:45,177 INFO L158 Benchmark]: RCFGBuilder took 687.63ms. Allocated memory is still 336.6MB. Free memory was 252.9MB in the beginning and 278.4MB in the end (delta: -25.4MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2024-11-04 16:41:45,177 INFO L158 Benchmark]: TraceAbstraction took 45753.35ms. Allocated memory was 336.6MB in the beginning and 729.8MB in the end (delta: 393.2MB). Free memory was 277.8MB in the beginning and 295.9MB in the end (delta: -18.0MB). Peak memory consumption was 375.7MB. Max. memory is 8.0GB. [2024-11-04 16:41:45,179 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 209.7MB. Free memory was 161.5MB in the beginning and 161.3MB in the end (delta: 174.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 363.80ms. Allocated memory is still 336.6MB. Free memory was 277.9MB in the beginning and 259.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.42ms. Allocated memory is still 336.6MB. Free memory was 259.1MB in the beginning and 256.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.76ms. Allocated memory is still 336.6MB. Free memory was 256.4MB in the beginning and 252.9MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 687.63ms. Allocated memory is still 336.6MB. Free memory was 252.9MB in the beginning and 278.4MB in the end (delta: -25.4MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * TraceAbstraction took 45753.35ms. Allocated memory was 336.6MB in the beginning and 729.8MB in the end (delta: 393.2MB). Free memory was 277.8MB in the beginning and 295.9MB in the end (delta: -18.0MB). Peak memory consumption was 375.7MB. 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...