/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_n5_w8_d8_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 14:41:02,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 14:41:02,188 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 14:41:02,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 14:41:02,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 14:41:02,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 14:41:02,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 14:41:02,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 14:41:02,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 14:41:02,215 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 14:41:02,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 14:41:02,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 14:41:02,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 14:41:02,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 14:41:02,217 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 14:41:02,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 14:41:02,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 14:41:02,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 14:41:02,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 14:41:02,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 14:41:02,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 14:41:02,221 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 14:41:02,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 14:41:02,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 14:41:02,222 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 14:41:02,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 14:41:02,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 14:41:02,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 14:41:02,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 14:41:02,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 14:41:02,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 14:41:02,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:41:02,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 14:41:02,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 14:41:02,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 14:41:02,223 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 14:41:02,224 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 14:41:02,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 14:41:02,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 14:41:02,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 14:41:02,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 14:41:02,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 14:41:02,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 14:41:02,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 14:41:02,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 14:41:02,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 14:41:02,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 14:41:02,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d8_e0.c [2024-11-06 14:41:03,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 14:41:03,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 14:41:03,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n5_w8_d8_e0.c [2024-11-06 14:41:03,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f55e800/a4e91bddff7b48a18a3bdd1cd2353afc/FLAG768641af4 [2024-11-06 14:41:04,200 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41f55e800/a4e91bddff7b48a18a3bdd1cd2353afc [2024-11-06 14:41:04,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 14:41:04,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 14:41:04,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 14:41:04,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 14:41:04,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 14:41:04,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:04,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef482af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04, skipping insertion in model container [2024-11-06 14:41:04,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:04,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:41:04,421 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_n5_w8_d8_e0.c[1269,1282] [2024-11-06 14:41:04,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:41:04,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 14:41:04,711 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_n5_w8_d8_e0.c[1269,1282] [2024-11-06 14:41:04,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:41:04,835 INFO L204 MainTranslator]: Completed translation [2024-11-06 14:41:04,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04 WrapperNode [2024-11-06 14:41:04,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 14:41:04,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 14:41:04,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 14:41:04,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 14:41:04,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:04,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:04,966 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2468 [2024-11-06 14:41:04,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 14:41:04,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 14:41:04,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 14:41:04,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 14:41:04,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:04,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:04,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:05,043 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 14:41:05,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:05,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:05,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:05,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:05,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:05,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:05,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 14:41:05,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 14:41:05,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 14:41:05,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 14:41:05,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (1/1) ... [2024-11-06 14:41:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:41:05,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:41:05,178 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 14:41:05,184 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 14:41:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 14:41:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 14:41:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 14:41:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 14:41:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 14:41:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 14:41:05,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 14:41:05,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 14:41:06,665 INFO L? ?]: Removed 815 outVars from TransFormulas that were not future-live. [2024-11-06 14:41:06,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 14:41:06,675 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 14:41:06,676 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 14:41:06,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:41:06 BoogieIcfgContainer [2024-11-06 14:41:06,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 14:41:06,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 14:41:06,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 14:41:06,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 14:41:06,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:41:04" (1/3) ... [2024-11-06 14:41:06,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ffb3c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:41:06, skipping insertion in model container [2024-11-06 14:41:06,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:41:04" (2/3) ... [2024-11-06 14:41:06,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ffb3c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:41:06, skipping insertion in model container [2024-11-06 14:41:06,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:41:06" (3/3) ... [2024-11-06 14:41:06,684 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n5_w8_d8_e0.c [2024-11-06 14:41:06,696 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 14:41:06,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 14:41:06,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 14:41:06,751 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;@2d2b7153, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 14:41:06,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 14:41:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-06 14:41:06,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-06 14:41:06,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:41:06,763 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:06,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:41:06,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:41:06,768 INFO L85 PathProgramCache]: Analyzing trace with hash -726051243, now seen corresponding path program 1 times [2024-11-06 14:41:06,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:41:06,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585130952] [2024-11-06 14:41:06,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:41:06,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:41:06,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:41:06,785 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 14:41:06,787 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 14:41:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:41:07,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 14:41:07,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:41:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-06 14:41:07,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:41:07,457 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:41:07,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585130952] [2024-11-06 14:41:07,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585130952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:41:07,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:41:07,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 14:41:07,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957854720] [2024-11-06 14:41:07,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:41:07,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 14:41:07,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:41:07,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 14:41:07,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 14:41:07,481 INFO L87 Difference]: Start difference. First operand has 46 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 14:41:07,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:41:07,503 INFO L93 Difference]: Finished difference Result 87 states and 138 transitions. [2024-11-06 14:41:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 14:41:07,508 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2024-11-06 14:41:07,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:41:07,514 INFO L225 Difference]: With dead ends: 87 [2024-11-06 14:41:07,514 INFO L226 Difference]: Without dead ends: 43 [2024-11-06 14:41:07,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 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 14:41:07,522 INFO L432 NwaCegarLoop]: 58 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, 58 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 14:41:07,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 14:41:07,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-06 14:41:07,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-06 14:41:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-06 14:41:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2024-11-06 14:41:07,555 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 101 [2024-11-06 14:41:07,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:41:07,556 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2024-11-06 14:41:07,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-06 14:41:07,556 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2024-11-06 14:41:07,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-06 14:41:07,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:41:07,561 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:07,577 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 14:41:07,761 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 14:41:07,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:41:07,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:41:07,763 INFO L85 PathProgramCache]: Analyzing trace with hash -520200651, now seen corresponding path program 1 times [2024-11-06 14:41:07,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:41:07,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037455562] [2024-11-06 14:41:07,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:41:07,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:41:07,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:41:07,767 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 14:41:07,769 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 14:41:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:41:08,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-06 14:41:08,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:41:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-06 14:41:08,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 14:41:08,909 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:41:08,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037455562] [2024-11-06 14:41:08,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037455562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 14:41:08,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [911773138] [2024-11-06 14:41:08,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:41:08,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-06 14:41:08,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-06 14:41:08,926 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 14:41:08,927 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 14:41:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:41:09,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-06 14:41:09,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:41:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-06 14:41:10,145 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:41:10,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [911773138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:41:10,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 14:41:10,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7 [2024-11-06 14:41:10,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059067441] [2024-11-06 14:41:10,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:41:10,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 14:41:10,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:41:10,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 14:41:10,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-06 14:41:10,148 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 14:41:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:41:10,330 INFO L93 Difference]: Finished difference Result 79 states and 110 transitions. [2024-11-06 14:41:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 14:41:10,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 101 [2024-11-06 14:41:10,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:41:10,332 INFO L225 Difference]: With dead ends: 79 [2024-11-06 14:41:10,333 INFO L226 Difference]: Without dead ends: 77 [2024-11-06 14:41:10,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 197 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 14:41:10,334 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 14:41:10,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 14:41:10,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-06 14:41:10,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-06 14:41:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-06 14:41:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2024-11-06 14:41:10,348 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 101 [2024-11-06 14:41:10,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:41:10,349 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2024-11-06 14:41:10,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-06 14:41:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2024-11-06 14:41:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-06 14:41:10,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:41:10,355 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-06 14:41:10,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-06 14:41:10,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-06 14:41:10,755 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 14:41:10,756 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:41:10,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:41:10,757 INFO L85 PathProgramCache]: Analyzing trace with hash -511202845, now seen corresponding path program 1 times [2024-11-06 14:41:10,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:41:10,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574530911] [2024-11-06 14:41:10,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:41:10,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:41:10,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:41:10,760 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 14:41:10,761 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 14:41:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:41:11,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 2027 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-06 14:41:11,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:41:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 105 proven. 109 refuted. 0 times theorem prover too weak. 1804 trivial. 0 not checked. [2024-11-06 14:41:12,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 14:41:13,455 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:41:13,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574530911] [2024-11-06 14:41:13,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574530911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 14:41:13,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [953436667] [2024-11-06 14:41:13,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:41:13,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-06 14:41:13,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-06 14:41:13,457 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 14:41:13,459 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 14:41:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:41:15,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 2027 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-06 14:41:15,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:41:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 30 proven. 97 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-06 14:41:15,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 14:41:15,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [953436667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 14:41:15,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 14:41:15,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 16 [2024-11-06 14:41:15,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116947614] [2024-11-06 14:41:15,785 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 14:41:15,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-06 14:41:15,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:41:15,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-06 14:41:15,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-06 14:41:15,791 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand has 16 states, 13 states have (on average 6.384615384615385) internal successors, (83), 16 states have internal predecessors, (83), 10 states have call successors, (64), 1 states have call predecessors, (64), 2 states have return successors, (64), 7 states have call predecessors, (64), 10 states have call successors, (64) [2024-11-06 14:41:16,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:41:16,803 INFO L93 Difference]: Finished difference Result 114 states and 161 transitions. [2024-11-06 14:41:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-06 14:41:16,804 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.384615384615385) internal successors, (83), 16 states have internal predecessors, (83), 10 states have call successors, (64), 1 states have call predecessors, (64), 2 states have return successors, (64), 7 states have call predecessors, (64), 10 states have call successors, (64) Word has length 200 [2024-11-06 14:41:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:41:16,806 INFO L225 Difference]: With dead ends: 114 [2024-11-06 14:41:16,806 INFO L226 Difference]: Without dead ends: 112 [2024-11-06 14:41:16,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2024-11-06 14:41:16,807 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 30 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 14:41:16,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 416 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 14:41:16,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-06 14:41:16,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-06 14:41:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 62 states have internal predecessors, (63), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-06 14:41:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 159 transitions. [2024-11-06 14:41:16,830 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 159 transitions. Word has length 200 [2024-11-06 14:41:16,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:41:16,830 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 159 transitions. [2024-11-06 14:41:16,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.384615384615385) internal successors, (83), 16 states have internal predecessors, (83), 10 states have call successors, (64), 1 states have call predecessors, (64), 2 states have return successors, (64), 7 states have call predecessors, (64), 10 states have call successors, (64) [2024-11-06 14:41:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 159 transitions. [2024-11-06 14:41:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-06 14:41:16,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:41:16,833 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-06 14:41:16,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 14:41:17,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-06 14:41:17,236 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 14:41:17,237 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:41:17,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:41:17,237 INFO L85 PathProgramCache]: Analyzing trace with hash -2140848267, now seen corresponding path program 2 times [2024-11-06 14:41:17,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:41:17,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059124083] [2024-11-06 14:41:17,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 14:41:17,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:41:17,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:41:17,240 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 14:41:17,241 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 14:41:18,374 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-06 14:41:18,374 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 14:41:18,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 3015 conjuncts, 143 conjuncts are in the unsatisfiable core [2024-11-06 14:41:18,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:41:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4615 backedges. 339 proven. 292 refuted. 0 times theorem prover too weak. 3984 trivial. 0 not checked. [2024-11-06 14:41:23,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 14:41:23,865 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:41:23,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059124083] [2024-11-06 14:41:23,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059124083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 14:41:23,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1713176500] [2024-11-06 14:41:23,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 14:41:23,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-06 14:41:23,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-06 14:41:23,868 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-06 14:41:23,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-06 14:41:26,442 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-06 14:41:26,443 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 14:41:26,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 3015 conjuncts, 145 conjuncts are in the unsatisfiable core [2024-11-06 14:41:26,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:42:43,246 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 14:42:43,246 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 14:42:43,247 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-06 14:42:43,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-06 14:42:43,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-06 14:42:43,648 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,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-06 14:42:43,649 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:290) 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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) 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) ... 46 more [2024-11-06 14:42:43,653 INFO L158 Benchmark]: Toolchain (without parser) took 99450.55ms. Allocated memory was 386.9MB in the beginning and 1.2GB in the end (delta: 781.2MB). Free memory was 342.3MB in the beginning and 745.8MB in the end (delta: -403.5MB). Peak memory consumption was 379.3MB. Max. memory is 8.0GB. [2024-11-06 14:42:43,654 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 229.6MB. Free memory is still 184.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-06 14:42:43,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.62ms. Allocated memory is still 386.9MB. Free memory was 342.3MB in the beginning and 265.7MB in the end (delta: 76.6MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. [2024-11-06 14:42:43,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.30ms. Allocated memory is still 386.9MB. Free memory was 265.7MB in the beginning and 247.4MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-11-06 14:42:43,654 INFO L158 Benchmark]: Boogie Preprocessor took 181.05ms. Allocated memory is still 386.9MB. Free memory was 247.4MB in the beginning and 337.1MB in the end (delta: -89.7MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. [2024-11-06 14:42:43,654 INFO L158 Benchmark]: RCFGBuilder took 1526.57ms. Allocated memory is still 386.9MB. Free memory was 337.1MB in the beginning and 287.7MB in the end (delta: 49.4MB). Peak memory consumption was 172.6MB. Max. memory is 8.0GB. [2024-11-06 14:42:43,655 INFO L158 Benchmark]: TraceAbstraction took 96973.92ms. Allocated memory was 386.9MB in the beginning and 1.2GB in the end (delta: 781.2MB). Free memory was 286.7MB in the beginning and 745.8MB in the end (delta: -459.1MB). Peak memory consumption was 322.6MB. Max. memory is 8.0GB. [2024-11-06 14:42:43,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 229.6MB. Free memory is still 184.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 634.62ms. Allocated memory is still 386.9MB. Free memory was 342.3MB in the beginning and 265.7MB in the end (delta: 76.6MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 128.30ms. Allocated memory is still 386.9MB. Free memory was 265.7MB in the beginning and 247.4MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 181.05ms. Allocated memory is still 386.9MB. Free memory was 247.4MB in the beginning and 337.1MB in the end (delta: -89.7MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1526.57ms. Allocated memory is still 386.9MB. Free memory was 337.1MB in the beginning and 287.7MB in the end (delta: 49.4MB). Peak memory consumption was 172.6MB. Max. memory is 8.0GB. * TraceAbstraction took 96973.92ms. Allocated memory was 386.9MB in the beginning and 1.2GB in the end (delta: 781.2MB). Free memory was 286.7MB in the beginning and 745.8MB in the end (delta: -459.1MB). Peak memory consumption was 322.6MB. 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...