/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d128_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 08:49:19,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 08:49:19,944 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 08:49:19,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 08:49:19,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 08:49:19,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 08:49:19,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 08:49:19,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 08:49:19,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 08:49:19,993 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 08:49:19,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 08:49:19,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 08:49:19,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 08:49:19,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 08:49:19,995 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 08:49:19,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 08:49:19,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 08:49:19,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 08:49:19,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 08:49:19,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 08:49:19,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 08:49:19,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 08:49:19,998 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 08:49:19,998 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 08:49:19,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 08:49:19,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 08:49:19,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 08:49:19,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 08:49:20,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 08:49:20,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 08:49:20,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 08:49:20,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 08:49:20,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 08:49:20,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 08:49:20,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 08:49:20,006 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 08:49:20,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:20,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 08:49:20,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 08:49:20,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 08:49:20,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 08:49:20,009 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 08:49:20,009 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:20,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 08:49:20,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 08:49:20,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 08:49:20,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 08:49:20,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 08:49:20,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d128_e0.c [2024-11-01 08:49:21,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 08:49:22,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 08:49:22,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d128_e0.c [2024-11-01 08:49:22,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fea28192/dbb642b6919e4ac7ae8dd29047e230d9/FLAGecccf6bdc [2024-11-01 08:49:22,315 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fea28192/dbb642b6919e4ac7ae8dd29047e230d9 [2024-11-01 08:49:22,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 08:49:22,319 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 08:49:22,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 08:49:22,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 08:49:22,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 08:49:22,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 08:49:22" (1/1) ... [2024-11-01 08:49:22,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55cacf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:22, skipping insertion in model container [2024-11-01 08:49:22,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 08:49:22" (1/1) ... [2024-11-01 08:49:22,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 08:49:22,703 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.circular_pointer_top_w32_d128_e0.c[1281,1294] [2024-11-01 08:49:23,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 08:49:23,212 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 08:49:23,255 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.circular_pointer_top_w32_d128_e0.c[1281,1294] [2024-11-01 08:49:23,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 08:49:23,533 INFO L204 MainTranslator]: Completed translation [2024-11-01 08:49:23,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23 WrapperNode [2024-11-01 08:49:23,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 08:49:23,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 08:49:23,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 08:49:23,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 08:49:23,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:23,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:23,784 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4727 [2024-11-01 08:49:23,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 08:49:23,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 08:49:23,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 08:49:23,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 08:49:23,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:23,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:23,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:23,932 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 08:49:23,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:23,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:23,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:24,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:24,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:24,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:24,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 08:49:24,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 08:49:24,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 08:49:24,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 08:49:24,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (1/1) ... [2024-11-01 08:49:24,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 08:49:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 08:49:24,104 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 08:49:24,108 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 08:49:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 08:49:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 08:49:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 08:49:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 08:49:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 08:49:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 08:49:24,793 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 08:49:24,795 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 08:49:29,668 INFO L? ?]: Removed 1282 outVars from TransFormulas that were not future-live. [2024-11-01 08:49:29,668 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 08:49:29,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 08:49:29,681 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 08:49:29,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 08:49:29 BoogieIcfgContainer [2024-11-01 08:49:29,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 08:49:29,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 08:49:29,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 08:49:29,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 08:49:29,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 08:49:22" (1/3) ... [2024-11-01 08:49:29,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee2d534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 08:49:29, skipping insertion in model container [2024-11-01 08:49:29,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:49:23" (2/3) ... [2024-11-01 08:49:29,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee2d534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 08:49:29, skipping insertion in model container [2024-11-01 08:49:29,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 08:49:29" (3/3) ... [2024-11-01 08:49:29,691 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w32_d128_e0.c [2024-11-01 08:49:29,706 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 08:49:29,706 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 08:49:29,757 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 08:49:29,764 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;@59dc9370, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 08:49:29,765 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 08:49:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-01 08:49:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-01 08:49:29,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 08:49:29,776 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 08:49:29,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 08:49:29,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 08:49:29,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1944675641, now seen corresponding path program 1 times [2024-11-01 08:49:29,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 08:49:29,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062811953] [2024-11-01 08:49:29,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 08:49:29,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:29,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 08:49:29,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 08:49:29,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 08:49:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 08:49:31,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-01 08:49:31,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 08:49:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-01 08:49:31,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 08:49:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-01 08:49:31,853 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 08:49:31,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062811953] [2024-11-01 08:49:31,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2062811953] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 08:49:31,854 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 08:49:31,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-01 08:49:31,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600325206] [2024-11-01 08:49:31,857 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 08:49:31,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-01 08:49:31,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 08:49:31,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-01 08:49:31,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-01 08:49:31,886 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-01 08:49:31,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 08:49:31,903 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2024-11-01 08:49:31,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-01 08:49:31,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-01 08:49:31,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 08:49:31,911 INFO L225 Difference]: With dead ends: 35 [2024-11-01 08:49:31,911 INFO L226 Difference]: Without dead ends: 17 [2024-11-01 08:49:31,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-01 08:49:31,918 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 08:49:31,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 08:49:31,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-01 08:49:31,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-01 08:49:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-01 08:49:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-01 08:49:31,952 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 23 [2024-11-01 08:49:31,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 08:49:31,953 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-01 08:49:31,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-01 08:49:31,953 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-01 08:49:31,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-01 08:49:31,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 08:49:31,954 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 08:49:31,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 08:49:32,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:32,160 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 08:49:32,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 08:49:32,161 INFO L85 PathProgramCache]: Analyzing trace with hash 265954675, now seen corresponding path program 1 times [2024-11-01 08:49:32,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 08:49:32,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636787032] [2024-11-01 08:49:32,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 08:49:32,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:32,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 08:49:32,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 08:49:32,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 08:49:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 08:49:34,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-01 08:49:34,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 08:49:34,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 08:49:34,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 08:49:34,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 08:49:34,851 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 08:49:34,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636787032] [2024-11-01 08:49:34,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1636787032] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 08:49:34,852 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 08:49:34,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 08:49:34,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962619190] [2024-11-01 08:49:34,852 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 08:49:34,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 08:49:34,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 08:49:34,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 08:49:34,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 08:49:34,856 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 08:49:35,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 08:49:35,945 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-01 08:49:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 08:49:35,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 23 [2024-11-01 08:49:35,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 08:49:35,946 INFO L225 Difference]: With dead ends: 27 [2024-11-01 08:49:35,947 INFO L226 Difference]: Without dead ends: 25 [2024-11-01 08:49:35,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 08:49:35,948 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-01 08:49:35,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-01 08:49:35,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-01 08:49:35,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-01 08:49:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-01 08:49:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2024-11-01 08:49:35,959 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 23 [2024-11-01 08:49:35,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 08:49:35,961 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2024-11-01 08:49:35,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 08:49:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-01 08:49:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-01 08:49:35,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 08:49:35,963 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-01 08:49:35,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-01 08:49:36,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:36,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 08:49:36,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 08:49:36,165 INFO L85 PathProgramCache]: Analyzing trace with hash 416519459, now seen corresponding path program 1 times [2024-11-01 08:49:36,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 08:49:36,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529487397] [2024-11-01 08:49:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 08:49:36,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:36,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 08:49:36,168 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) [2024-11-01 08:49:36,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 08:49:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 08:49:40,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 3014 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-01 08:49:40,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 08:49:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-01 08:49:40,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 08:49:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-01 08:49:42,968 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 08:49:42,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529487397] [2024-11-01 08:49:42,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [529487397] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 08:49:42,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 08:49:42,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-01 08:49:42,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776077935] [2024-11-01 08:49:42,969 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 08:49:42,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-01 08:49:42,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 08:49:42,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-01 08:49:42,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-01 08:49:42,974 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 15 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-01 08:49:44,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 08:49:44,711 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-11-01 08:49:44,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-01 08:49:44,711 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) Word has length 44 [2024-11-01 08:49:44,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 08:49:44,713 INFO L225 Difference]: With dead ends: 36 [2024-11-01 08:49:44,713 INFO L226 Difference]: Without dead ends: 34 [2024-11-01 08:49:44,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-01 08:49:44,715 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-01 08:49:44,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 65 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-01 08:49:44,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-01 08:49:44,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-01 08:49:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-01 08:49:44,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-01 08:49:44,722 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 44 [2024-11-01 08:49:44,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 08:49:44,723 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-01 08:49:44,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 15 states have internal predecessors, (34), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-01 08:49:44,723 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-01 08:49:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-01 08:49:44,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 08:49:44,725 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-01 08:49:44,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-01 08:49:44,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:44,926 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 08:49:44,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 08:49:44,926 INFO L85 PathProgramCache]: Analyzing trace with hash 223728499, now seen corresponding path program 2 times [2024-11-01 08:49:44,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 08:49:44,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555660523] [2024-11-01 08:49:44,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 08:49:44,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 08:49:44,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 08:49:44,929 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 08:49:44,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 08:49:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 08:49:52,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 4438 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-01 08:49:52,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 08:49:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 64 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-01 08:49:55,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 08:50:00,723 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse5 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_13~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_12~0#1|)))))))) (.cse2 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse11 (_ bv255 32))))) (.cse7 (= ((_ extract 7 0) (bvand .cse11 (_ bv254 32))) (_ bv0 8))) (.cse14 (= |c_ULTIMATE.start_main_~state_695~0#1| (_ bv0 8)))) (let ((.cse12 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_672~0#1|)) (.cse10 (not .cse14)) (.cse9 (or .cse14 (forall ((|v_ULTIMATE.start_main_~var_714_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_718_arg_0~0#1_18| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_718_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_714_arg_1~0#1_17|))))))))))) (_ bv0 8))))) (.cse6 (not .cse7)) (.cse8 (= (bvand |c_ULTIMATE.start_main_~state_659~0#1| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|) |c_ULTIMATE.start_main_~state_691~0#1|)) (.cse0 (not .cse2)) (.cse4 (not .cse5))) (and (or (let ((.cse1 (forall ((|v_ULTIMATE.start_main_~var_662_arg_2~0#1_16| (_ BitVec 32))) (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_662_arg_2~0#1_16|) |c_ULTIMATE.start_main_~state_691~0#1|)))) (.cse3 (not .cse8))) (and (or (and (or .cse0 .cse1) (or .cse2 .cse3)) .cse4) (or .cse5 (and (or .cse6 .cse1) (or .cse7 .cse3))))) (and .cse9 (or .cse10 (forall ((|v_ULTIMATE.start_main_~var_678_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_675_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_689_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_718_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_718_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_675_arg_1~0#1_17|) .cse12))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_678_arg_1~0#1_17|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_689_arg_1~0#1_17|))))))) (_ bv1 32))))))))))))))))))) (or (and (or (forall ((|v_ULTIMATE.start_main_~var_678_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_675_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_689_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_718_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_718_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_675_arg_1~0#1_17|) .cse12))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_678_arg_1~0#1_17|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_689_arg_1~0#1_17|))))))) (_ bv0 32)))))))))))))))) .cse10) .cse9) (let ((.cse13 (forall ((|v_ULTIMATE.start_main_~var_662_arg_2~0#1_16| (_ BitVec 32))) (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |v_ULTIMATE.start_main_~var_662_arg_2~0#1_16|) |c_ULTIMATE.start_main_~state_691~0#1|)))) (and (or .cse5 (and (or .cse7 .cse8) (or .cse6 .cse13))) (or (and (or .cse2 .cse8) (or .cse0 .cse13)) .cse4)))))))) is different from false [2024-11-01 08:50:52,926 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 08:50:52,927 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 08:50:52,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555660523] [2024-11-01 08:50:52,927 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-01 08:50:52,930 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 [2024-11-01 08:50:52,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-01 08:50:53,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 08:50:53,129 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2024-11-01 08:50:53,133 INFO L158 Benchmark]: Toolchain (without parser) took 90813.33ms. Allocated memory was 189.8MB in the beginning and 871.4MB in the end (delta: 681.6MB). Free memory was 147.8MB in the beginning and 438.7MB in the end (delta: -290.9MB). Peak memory consumption was 391.8MB. Max. memory is 8.0GB. [2024-11-01 08:50:53,133 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 189.8MB. Free memory is still 166.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 08:50:53,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1215.31ms. Allocated memory was 189.8MB in the beginning and 248.5MB in the end (delta: 58.7MB). Free memory was 147.3MB in the beginning and 157.3MB in the end (delta: -10.0MB). Peak memory consumption was 64.4MB. Max. memory is 8.0GB. [2024-11-01 08:50:53,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 248.88ms. Allocated memory is still 248.5MB. Free memory was 157.3MB in the beginning and 173.3MB in the end (delta: -16.0MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. [2024-11-01 08:50:53,134 INFO L158 Benchmark]: Boogie Preprocessor took 287.64ms. Allocated memory is still 248.5MB. Free memory was 173.3MB in the beginning and 150.8MB in the end (delta: 22.5MB). Peak memory consumption was 26.7MB. Max. memory is 8.0GB. [2024-11-01 08:50:53,134 INFO L158 Benchmark]: RCFGBuilder took 5607.29ms. Allocated memory was 248.5MB in the beginning and 510.7MB in the end (delta: 262.1MB). Free memory was 150.8MB in the beginning and 199.7MB in the end (delta: -48.9MB). Peak memory consumption was 218.5MB. Max. memory is 8.0GB. [2024-11-01 08:50:53,135 INFO L158 Benchmark]: TraceAbstraction took 83446.61ms. Allocated memory was 510.7MB in the beginning and 871.4MB in the end (delta: 360.7MB). Free memory was 199.2MB in the beginning and 438.7MB in the end (delta: -239.5MB). Peak memory consumption was 121.3MB. Max. memory is 8.0GB. [2024-11-01 08:50:53,136 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 189.8MB. Free memory is still 166.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1215.31ms. Allocated memory was 189.8MB in the beginning and 248.5MB in the end (delta: 58.7MB). Free memory was 147.3MB in the beginning and 157.3MB in the end (delta: -10.0MB). Peak memory consumption was 64.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 248.88ms. Allocated memory is still 248.5MB. Free memory was 157.3MB in the beginning and 173.3MB in the end (delta: -16.0MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 287.64ms. Allocated memory is still 248.5MB. Free memory was 173.3MB in the beginning and 150.8MB in the end (delta: 22.5MB). Peak memory consumption was 26.7MB. Max. memory is 8.0GB. * RCFGBuilder took 5607.29ms. Allocated memory was 248.5MB in the beginning and 510.7MB in the end (delta: 262.1MB). Free memory was 150.8MB in the beginning and 199.7MB in the end (delta: -48.9MB). Peak memory consumption was 218.5MB. Max. memory is 8.0GB. * TraceAbstraction took 83446.61ms. Allocated memory was 510.7MB in the beginning and 871.4MB in the end (delta: 360.7MB). Free memory was 199.2MB in the beginning and 438.7MB in the end (delta: -239.5MB). Peak memory consumption was 121.3MB. 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...