/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 14:40:14,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 14:40:15,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 14:40:15,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 14:40:15,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 14:40:15,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 14:40:15,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 14:40:15,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 14:40:15,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 14:40:15,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 14:40:15,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 14:40:15,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 14:40:15,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 14:40:15,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 14:40:15,033 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 14:40:15,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 14:40:15,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 14:40:15,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 14:40:15,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 14:40:15,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 14:40:15,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 14:40:15,035 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 14:40:15,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 14:40:15,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 14:40:15,036 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 14:40:15,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 14:40:15,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 14:40:15,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 14:40:15,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 14:40:15,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 14:40:15,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 14:40:15,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:40:15,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 14:40:15,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 14:40:15,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 14:40:15,038 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 14:40:15,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 14:40:15,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 14:40:15,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 14:40:15,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 14:40:15,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 14:40:15,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 14:40:15,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 14:40:15,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 14:40:15,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 14:40:15,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 14:40:15,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 14:40:15,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2024-11-06 14:40:16,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 14:40:16,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 14:40:16,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2024-11-06 14:40:16,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c186dc2d/cd1eb8d4c1fb4804b373fa88be000010/FLAG2eb2526b9 [2024-11-06 14:40:17,050 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c186dc2d/cd1eb8d4c1fb4804b373fa88be000010 [2024-11-06 14:40:17,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 14:40:17,053 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 14:40:17,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 14:40:17,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 14:40:17,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 14:40:17,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e0ee64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17, skipping insertion in model container [2024-11-06 14:40:17,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:40:17,381 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.arbitrated_top_n4_w8_d8_e0.c[1269,1282] [2024-11-06 14:40:17,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:40:17,706 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 14:40:17,717 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.arbitrated_top_n4_w8_d8_e0.c[1269,1282] [2024-11-06 14:40:17,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:40:17,803 INFO L204 MainTranslator]: Completed translation [2024-11-06 14:40:17,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17 WrapperNode [2024-11-06 14:40:17,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 14:40:17,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 14:40:17,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 14:40:17,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 14:40:17,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,910 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2020 [2024-11-06 14:40:17,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 14:40:17,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 14:40:17,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 14:40:17,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 14:40:17,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,940 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,971 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]. [2024-11-06 14:40:17,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:17,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:18,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:18,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:18,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:18,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 14:40:18,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 14:40:18,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 14:40:18,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 14:40:18,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (1/1) ... [2024-11-06 14:40:18,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:40:18,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:40:18,073 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) [2024-11-06 14:40:18,081 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 [2024-11-06 14:40:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 14:40:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 14:40:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 14:40:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 14:40:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 14:40:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 14:40:18,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 14:40:18,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 14:40:19,498 INFO L? ?]: Removed 666 outVars from TransFormulas that were not future-live. [2024-11-06 14:40:19,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 14:40:19,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 14:40:19,511 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 14:40:19,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:40:19 BoogieIcfgContainer [2024-11-06 14:40:19,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 14:40:19,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 14:40:19,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 14:40:19,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 14:40:19,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:40:17" (1/3) ... [2024-11-06 14:40:19,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e475734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:40:19, skipping insertion in model container [2024-11-06 14:40:19,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:40:17" (2/3) ... [2024-11-06 14:40:19,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e475734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:40:19, skipping insertion in model container [2024-11-06 14:40:19,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:40:19" (3/3) ... [2024-11-06 14:40:19,521 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2024-11-06 14:40:19,534 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 14:40:19,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 14:40:19,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 14:40:19,581 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;@17aa3248, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 14:40:19,582 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 14:40:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-06 14:40:19,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-06 14:40:19,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:40:19,594 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 14:40:19,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:40:19,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:40:19,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1644883339, now seen corresponding path program 1 times [2024-11-06 14:40:19,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:40:19,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [120132517] [2024-11-06 14:40:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:40:19,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:40:19,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:40:19,615 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) [2024-11-06 14:40:19,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 14:40:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:40:20,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 14:40:20,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:40:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-06 14:40:20,263 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:40:20,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:40:20,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120132517] [2024-11-06 14:40:20,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120132517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:40:20,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:40:20,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 14:40:20,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517241278] [2024-11-06 14:40:20,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:40:20,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 14:40:20,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:40:20,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 14:40:20,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 14:40:20,287 INFO L87 Difference]: Start difference. First operand has 40 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 14:40:20,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:40:20,301 INFO L93 Difference]: Finished difference Result 75 states and 117 transitions. [2024-11-06 14:40:20,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 14:40:20,303 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2024-11-06 14:40:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:40:20,307 INFO L225 Difference]: With dead ends: 75 [2024-11-06 14:40:20,307 INFO L226 Difference]: Without dead ends: 37 [2024-11-06 14:40:20,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 14:40:20,311 INFO L432 NwaCegarLoop]: 49 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, 49 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 [2024-11-06 14:40:20,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 14:40:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-06 14:40:20,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-06 14:40:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-06 14:40:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2024-11-06 14:40:20,337 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 83 [2024-11-06 14:40:20,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:40:20,338 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-11-06 14:40:20,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 14:40:20,338 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-06 14:40:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-06 14:40:20,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:40:20,344 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 14:40:20,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 14:40:20,545 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 [2024-11-06 14:40:20,545 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:40:20,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:40:20,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1385434447, now seen corresponding path program 1 times [2024-11-06 14:40:20,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:40:20,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682869930] [2024-11-06 14:40:20,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:40:20,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:40:20,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:40:20,549 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) [2024-11-06 14:40:20,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 14:40:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:40:21,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-06 14:40:21,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:40:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-06 14:40:21,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 14:40:21,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:40:21,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682869930] [2024-11-06 14:40:21,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682869930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 14:40:21,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1270713977] [2024-11-06 14:40:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:40:21,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-06 14:40:21,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-06 14:40:21,479 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) [2024-11-06 14:40:21,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-06 14:40:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:40:22,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-06 14:40:22,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:40:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-06 14:40:22,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:40:22,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1270713977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:40:22,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 14:40:22,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7 [2024-11-06 14:40:22,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916574124] [2024-11-06 14:40:22,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:40:22,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 14:40:22,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:40:22,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 14:40:22,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-06 14:40:22,630 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-06 14:40:22,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:40:22,858 INFO L93 Difference]: Finished difference Result 67 states and 92 transitions. [2024-11-06 14:40:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 14:40:22,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 83 [2024-11-06 14:40:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:40:22,860 INFO L225 Difference]: With dead ends: 67 [2024-11-06 14:40:22,860 INFO L226 Difference]: Without dead ends: 65 [2024-11-06 14:40:22,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-06 14:40:22,861 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 14:40:22,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 14:40:22,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-06 14:40:22,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-06 14:40:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-06 14:40:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2024-11-06 14:40:22,871 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 83 [2024-11-06 14:40:22,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:40:22,873 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2024-11-06 14:40:22,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-06 14:40:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2024-11-06 14:40:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-06 14:40:22,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:40:22,875 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-06 14:40:22,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 14:40:23,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-06 14:40:23,283 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,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-06 14:40:23,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:40:23,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:40:23,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2082684701, now seen corresponding path program 1 times [2024-11-06 14:40:23,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:40:23,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139325387] [2024-11-06 14:40:23,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:40:23,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:40:23,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:40:23,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:40:23,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 14:40:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:40:24,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-06 14:40:24,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:40:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 24 proven. 79 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-06 14:40:24,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 14:40:24,810 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:40:24,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139325387] [2024-11-06 14:40:24,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139325387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 14:40:24,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [836694740] [2024-11-06 14:40:24,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:40:24,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-06 14:40:24,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-06 14:40:24,812 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-06 14:40:24,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-06 14:40:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:40:26,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-06 14:40:26,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:40:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 24 proven. 79 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-06 14:40:27,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 14:40:27,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [836694740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 14:40:27,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 14:40:27,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2024-11-06 14:40:27,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279489322] [2024-11-06 14:40:27,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 14:40:27,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 14:40:27,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:40:27,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 14:40:27,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-06 14:40:27,115 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-06 14:40:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:40:27,753 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2024-11-06 14:40:27,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 14:40:27,754 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 164 [2024-11-06 14:40:27,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:40:27,757 INFO L225 Difference]: With dead ends: 96 [2024-11-06 14:40:27,757 INFO L226 Difference]: Without dead ends: 94 [2024-11-06 14:40:27,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-06 14:40:27,758 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 11 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 14:40:27,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 196 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 14:40:27,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-06 14:40:27,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-06 14:40:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-06 14:40:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2024-11-06 14:40:27,771 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 164 [2024-11-06 14:40:27,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:40:27,772 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2024-11-06 14:40:27,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-06 14:40:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2024-11-06 14:40:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-06 14:40:27,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:40:27,775 INFO L215 NwaCegarLoop]: trace histogram [39, 39, 39, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-06 14:40:27,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 14:40:27,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-06 14:40:28,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-06 14:40:28,185 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:40:28,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:40:28,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1116181263, now seen corresponding path program 2 times [2024-11-06 14:40:28,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:40:28,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482576967] [2024-11-06 14:40:28,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 14:40:28,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:40:28,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:40:28,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:40:28,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 14:40:29,428 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-06 14:40:29,428 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 14:40:29,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 2461 conjuncts, 142 conjuncts are in the unsatisfiable core [2024-11-06 14:40:29,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:40:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3049 backedges. 264 proven. 241 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2024-11-06 14:40:58,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 14:41:10,600 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") [2024-11-06 14:41:10,601 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:41:10,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482576967] [2024-11-06 14:41:10,601 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-06 14:41:10,606 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 [2024-11-06 14:41:10,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-06 14:41:10,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:41:10,803 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.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) 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 [2024-11-06 14:41:10,807 INFO L158 Benchmark]: Toolchain (without parser) took 53754.20ms. Allocated memory was 202.4MB in the beginning and 978.3MB in the end (delta: 775.9MB). Free memory was 133.2MB in the beginning and 764.7MB in the end (delta: -631.4MB). Peak memory consumption was 145.0MB. Max. memory is 8.0GB. [2024-11-06 14:41:10,807 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory was 151.0MB in the beginning and 150.9MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-06 14:41:10,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.92ms. Allocated memory was 202.4MB in the beginning and 266.3MB in the end (delta: 64.0MB). Free memory was 133.0MB in the beginning and 185.0MB in the end (delta: -52.0MB). Peak memory consumption was 23.7MB. Max. memory is 8.0GB. [2024-11-06 14:41:10,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.40ms. Allocated memory is still 266.3MB. Free memory was 185.0MB in the beginning and 170.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-06 14:41:10,808 INFO L158 Benchmark]: Boogie Preprocessor took 128.34ms. Allocated memory is still 266.3MB. Free memory was 170.3MB in the beginning and 152.4MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-11-06 14:41:10,808 INFO L158 Benchmark]: RCFGBuilder took 1471.42ms. Allocated memory was 266.3MB in the beginning and 424.7MB in the end (delta: 158.3MB). Free memory was 152.4MB in the beginning and 269.4MB in the end (delta: -117.0MB). Peak memory consumption was 45.3MB. Max. memory is 8.0GB. [2024-11-06 14:41:10,809 INFO L158 Benchmark]: TraceAbstraction took 51292.99ms. Allocated memory was 424.7MB in the beginning and 978.3MB in the end (delta: 553.6MB). Free memory was 268.9MB in the beginning and 764.7MB in the end (delta: -495.8MB). Peak memory consumption was 57.4MB. Max. memory is 8.0GB. [2024-11-06 14:41:10,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory was 151.0MB in the beginning and 150.9MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 749.92ms. Allocated memory was 202.4MB in the beginning and 266.3MB in the end (delta: 64.0MB). Free memory was 133.0MB in the beginning and 185.0MB in the end (delta: -52.0MB). Peak memory consumption was 23.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 106.40ms. Allocated memory is still 266.3MB. Free memory was 185.0MB in the beginning and 170.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 128.34ms. Allocated memory is still 266.3MB. Free memory was 170.3MB in the beginning and 152.4MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * RCFGBuilder took 1471.42ms. Allocated memory was 266.3MB in the beginning and 424.7MB in the end (delta: 158.3MB). Free memory was 152.4MB in the beginning and 269.4MB in the end (delta: -117.0MB). Peak memory consumption was 45.3MB. Max. memory is 8.0GB. * TraceAbstraction took 51292.99ms. Allocated memory was 424.7MB in the beginning and 978.3MB in the end (delta: 553.6MB). Free memory was 268.9MB in the beginning and 764.7MB in the end (delta: -495.8MB). Peak memory consumption was 57.4MB. 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...