/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d8_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 20:37:52,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 20:37:52,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 20:37:52,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 20:37:52,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 20:37:52,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 20:37:52,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 20:37:52,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 20:37:52,289 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 20:37:52,289 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 20:37:52,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 20:37:52,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 20:37:52,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 20:37:52,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 20:37:52,295 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 20:37:52,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 20:37:52,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 20:37:52,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 20:37:52,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 20:37:52,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 20:37:52,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 20:37:52,297 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 20:37:52,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 20:37:52,298 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 20:37:52,298 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 20:37:52,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 20:37:52,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 20:37:52,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 20:37:52,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 20:37:52,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 20:37:52,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 20:37:52,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 20:37:52,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 20:37:52,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 20:37:52,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 20:37:52,301 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 20:37:52,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 20:37:52,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 20:37:52,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 20:37:52,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 20:37:52,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 20:37:52,303 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 20:37:52,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 20:37:52,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 20:37:52,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 20:37:52,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 20:37:52,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 20:37:52,626 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 20:37:52,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d8_e0.c [2024-11-01 20:37:54,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 20:37:54,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 20:37:54,476 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d8_e0.c [2024-11-01 20:37:54,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b83dbb7e/2fc192d9b0424e45adc877efa993eb0c/FLAGc0c66a736 [2024-11-01 20:37:54,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b83dbb7e/2fc192d9b0424e45adc877efa993eb0c [2024-11-01 20:37:54,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 20:37:54,523 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 20:37:54,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 20:37:54,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 20:37:54,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 20:37:54,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 08:37:54" (1/1) ... [2024-11-01 20:37:54,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84460e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:54, skipping insertion in model container [2024-11-01 20:37:54,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 08:37:54" (1/1) ... [2024-11-01 20:37:54,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 20:37:54,811 WARN L251 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_n3_w32_d8_e0.c[1324,1337] [2024-11-01 20:37:55,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 20:37:55,175 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 20:37:55,185 WARN L251 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_n3_w32_d8_e0.c[1324,1337] [2024-11-01 20:37:55,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 20:37:55,354 INFO L204 MainTranslator]: Completed translation [2024-11-01 20:37:55,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55 WrapperNode [2024-11-01 20:37:55,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 20:37:55,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 20:37:55,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 20:37:55,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 20:37:55,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,522 INFO L138 Inliner]: procedures = 18, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1914 [2024-11-01 20:37:55,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 20:37:55,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 20:37:55,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 20:37:55,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 20:37:55,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,553 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,618 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]. [2024-11-01 20:37:55,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 20:37:55,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 20:37:55,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 20:37:55,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 20:37:55,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (1/1) ... [2024-11-01 20:37:55,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 20:37:55,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 20:37:55,758 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) [2024-11-01 20:37:55,762 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 [2024-11-01 20:37:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 20:37:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 20:37:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 20:37:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 20:37:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 20:37:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 20:37:56,259 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 20:37:56,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 20:37:57,743 INFO L? ?]: Removed 761 outVars from TransFormulas that were not future-live. [2024-11-01 20:37:57,744 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 20:37:57,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 20:37:57,756 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 20:37:57,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 08:37:57 BoogieIcfgContainer [2024-11-01 20:37:57,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 20:37:57,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 20:37:57,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 20:37:57,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 20:37:57,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 08:37:54" (1/3) ... [2024-11-01 20:37:57,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcc8995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 08:37:57, skipping insertion in model container [2024-11-01 20:37:57,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:37:55" (2/3) ... [2024-11-01 20:37:57,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dcc8995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 08:37:57, skipping insertion in model container [2024-11-01 20:37:57,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 08:37:57" (3/3) ... [2024-11-01 20:37:57,766 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w32_d8_e0.c [2024-11-01 20:37:57,781 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 20:37:57,782 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 20:37:57,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 20:37:57,846 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;@6b1ad347, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 20:37:57,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 20:37:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-01 20:37:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-01 20:37:57,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 20:37:57,861 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 20:37:57,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 20:37:57,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 20:37:57,865 INFO L85 PathProgramCache]: Analyzing trace with hash -209771273, now seen corresponding path program 1 times [2024-11-01 20:37:57,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 20:37:57,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352033955] [2024-11-01 20:37:57,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 20:37:57,876 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 20:37:57,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 20:37:57,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 20:37:57,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 20:37:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 20:37:58,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 120 conjuncts are in the unsatisfiable core [2024-11-01 20:37:58,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 20:38:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-01 20:38:03,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 20:39:09,571 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") [2024-11-01 20:39:09,573 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 20:39:09,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352033955] [2024-11-01 20:39:09,573 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-01 20:39:09,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-01 20:39:09,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-01 20:39:09,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 20:39:09,775 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:947) 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 [2024-11-01 20:39:09,780 INFO L158 Benchmark]: Toolchain (without parser) took 75255.76ms. Allocated memory was 204.5MB in the beginning and 574.6MB in the end (delta: 370.1MB). Free memory was 176.7MB in the beginning and 382.4MB in the end (delta: -205.7MB). Peak memory consumption was 166.2MB. Max. memory is 8.0GB. [2024-11-01 20:39:09,781 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 204.5MB. Free memory was 180.0MB in the beginning and 180.0MB in the end (delta: 95.7kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 20:39:09,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.67ms. Allocated memory is still 204.5MB. Free memory was 176.4MB in the beginning and 109.8MB in the end (delta: 66.6MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. [2024-11-01 20:39:09,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.94ms. Allocated memory is still 204.5MB. Free memory was 109.8MB in the beginning and 96.1MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-01 20:39:09,785 INFO L158 Benchmark]: Boogie Preprocessor took 198.15ms. Allocated memory is still 204.5MB. Free memory was 96.1MB in the beginning and 79.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-01 20:39:09,785 INFO L158 Benchmark]: RCFGBuilder took 2033.60ms. Allocated memory was 204.5MB in the beginning and 256.9MB in the end (delta: 52.4MB). Free memory was 79.3MB in the beginning and 132.1MB in the end (delta: -52.8MB). Peak memory consumption was 45.9MB. Max. memory is 8.0GB. [2024-11-01 20:39:09,786 INFO L158 Benchmark]: TraceAbstraction took 72018.97ms. Allocated memory was 256.9MB in the beginning and 574.6MB in the end (delta: 317.7MB). Free memory was 131.6MB in the beginning and 382.4MB in the end (delta: -250.8MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. [2024-11-01 20:39:09,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 204.5MB. Free memory was 180.0MB in the beginning and 180.0MB in the end (delta: 95.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 831.67ms. Allocated memory is still 204.5MB. Free memory was 176.4MB in the beginning and 109.8MB in the end (delta: 66.6MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 165.94ms. Allocated memory is still 204.5MB. Free memory was 109.8MB in the beginning and 96.1MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 198.15ms. Allocated memory is still 204.5MB. Free memory was 96.1MB in the beginning and 79.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * RCFGBuilder took 2033.60ms. Allocated memory was 204.5MB in the beginning and 256.9MB in the end (delta: 52.4MB). Free memory was 79.3MB in the beginning and 132.1MB in the end (delta: -52.8MB). Peak memory consumption was 45.9MB. Max. memory is 8.0GB. * TraceAbstraction took 72018.97ms. Allocated memory was 256.9MB in the beginning and 574.6MB in the end (delta: 317.7MB). Free memory was 131.6MB in the beginning and 382.4MB in the end (delta: -250.8MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...