/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 03:55:08,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 03:55:08,391 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 03:55:08,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 03:55:08,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 03:55:08,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 03:55:08,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 03:55:08,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 03:55:08,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 03:55:08,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 03:55:08,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 03:55:08,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 03:55:08,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 03:55:08,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 03:55:08,455 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 03:55:08,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 03:55:08,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 03:55:08,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 03:55:08,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 03:55:08,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 03:55:08,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 03:55:08,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 03:55:08,461 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 03:55:08,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 03:55:08,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 03:55:08,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 03:55:08,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 03:55:08,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 03:55:08,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 03:55:08,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 03:55:08,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 03:55:08,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 03:55:08,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 03:55:08,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 03:55:08,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 03:55:08,467 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 03:55:08,467 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 03:55:08,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 03:55:08,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 03:55:08,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 03:55:08,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 03:55:08,469 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 03:55:08,469 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:55:08,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 03:55:08,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 03:55:08,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 03:55:08,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 03:55:08,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 03:55:08,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c [2024-11-01 03:55:10,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 03:55:10,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 03:55:10,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c [2024-11-01 03:55:10,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/943206934/663ca8d492c54f6d968ca66ad8d6c984/FLAG4b7f9cf01 [2024-11-01 03:55:10,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/943206934/663ca8d492c54f6d968ca66ad8d6c984 [2024-11-01 03:55:10,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 03:55:10,878 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 03:55:10,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 03:55:10,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 03:55:10,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 03:55:10,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:55:10" (1/1) ... [2024-11-01 03:55:10,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5851f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:10, skipping insertion in model container [2024-11-01 03:55:10,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:55:10" (1/1) ... [2024-11-01 03:55:10,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 03:55:11,210 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c[1271,1284] [2024-11-01 03:55:11,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 03:55:11,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 03:55:11,697 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c[1271,1284] [2024-11-01 03:55:11,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 03:55:11,926 INFO L204 MainTranslator]: Completed translation [2024-11-01 03:55:11,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11 WrapperNode [2024-11-01 03:55:11,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 03:55:11,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 03:55:11,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 03:55:11,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 03:55:11,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:11,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,126 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2418 [2024-11-01 03:55:12,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 03:55:12,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 03:55:12,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 03:55:12,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 03:55:12,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,218 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 03:55:12,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 03:55:12,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 03:55:12,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 03:55:12,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 03:55:12,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (1/1) ... [2024-11-01 03:55:12,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 03:55:12,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:55:12,401 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 03:55:12,409 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 03:55:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 03:55:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 03:55:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 03:55:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 03:55:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 03:55:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 03:55:12,877 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 03:55:12,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 03:55:14,745 INFO L? ?]: Removed 793 outVars from TransFormulas that were not future-live. [2024-11-01 03:55:14,746 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 03:55:14,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 03:55:14,759 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 03:55:14,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:55:14 BoogieIcfgContainer [2024-11-01 03:55:14,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 03:55:14,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 03:55:14,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 03:55:14,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 03:55:14,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:55:10" (1/3) ... [2024-11-01 03:55:14,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346a380e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:55:14, skipping insertion in model container [2024-11-01 03:55:14,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:11" (2/3) ... [2024-11-01 03:55:14,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346a380e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:55:14, skipping insertion in model container [2024-11-01 03:55:14,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:55:14" (3/3) ... [2024-11-01 03:55:14,771 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c [2024-11-01 03:55:14,787 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 03:55:14,787 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 03:55:14,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 03:55:14,854 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;@7da6bdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 03:55:14,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 03:55:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-01 03:55:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-01 03:55:14,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 03:55:14,867 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 03:55:14,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 03:55:14,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 03:55:14,873 INFO L85 PathProgramCache]: Analyzing trace with hash -209771273, now seen corresponding path program 1 times [2024-11-01 03:55:14,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 03:55:14,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445507717] [2024-11-01 03:55:14,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 03:55:14,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:55:14,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:55:14,887 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) [2024-11-01 03:55:14,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-01 03:55:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 03:55:15,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-01 03:55:15,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 03:55:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-01 03:55:16,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 03:55:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-01 03:55:16,960 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 03:55:16,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445507717] [2024-11-01 03:55:16,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1445507717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 03:55:16,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 03:55:16,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-01 03:55:16,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382686456] [2024-11-01 03:55:16,965 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 03:55:16,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-01 03:55:16,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 03:55:16,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-01 03:55:16,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-01 03:55:16,997 INFO L87 Difference]: Start difference. First operand has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 11 states, 9 states have (on average 4.0) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-01 03:55:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 03:55:17,748 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2024-11-01 03:55:17,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 03:55:17,751 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 65 [2024-11-01 03:55:17,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 03:55:17,758 INFO L225 Difference]: With dead ends: 85 [2024-11-01 03:55:17,758 INFO L226 Difference]: Without dead ends: 53 [2024-11-01 03:55:17,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-01 03:55:17,764 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-01 03:55:17,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 83 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-01 03:55:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-01 03:55:17,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-01 03:55:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-01 03:55:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2024-11-01 03:55:17,814 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 65 [2024-11-01 03:55:17,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 03:55:17,818 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2024-11-01 03:55:17,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-01 03:55:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2024-11-01 03:55:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-01 03:55:17,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 03:55:17,824 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 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] [2024-11-01 03:55:17,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-01 03:55:18,024 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 [2024-11-01 03:55:18,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 03:55:18,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 03:55:18,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1242097501, now seen corresponding path program 1 times [2024-11-01 03:55:18,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 03:55:18,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194736754] [2024-11-01 03:55:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 03:55:18,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:55:18,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:55:18,029 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) [2024-11-01 03:55:18,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-01 03:55:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 03:55:19,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 1895 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-01 03:55:19,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 03:55:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-01 03:55:20,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 03:55:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-01 03:55:25,276 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 03:55:25,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194736754] [2024-11-01 03:55:25,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [194736754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 03:55:25,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 03:55:25,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-11-01 03:55:25,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052880238] [2024-11-01 03:55:25,277 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 03:55:25,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-01 03:55:25,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 03:55:25,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-01 03:55:25,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-01 03:55:25,281 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 17 states, 15 states have (on average 4.133333333333334) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40) [2024-11-01 03:55:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 03:55:27,018 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2024-11-01 03:55:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-01 03:55:27,019 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.133333333333334) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40) Word has length 128 [2024-11-01 03:55:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 03:55:27,022 INFO L225 Difference]: With dead ends: 78 [2024-11-01 03:55:27,022 INFO L226 Difference]: Without dead ends: 76 [2024-11-01 03:55:27,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2024-11-01 03:55:27,026 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-01 03:55:27,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 234 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-01 03:55:27,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-01 03:55:27,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-01 03:55:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-01 03:55:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2024-11-01 03:55:27,045 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 128 [2024-11-01 03:55:27,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 03:55:27,046 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2024-11-01 03:55:27,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.133333333333334) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40) [2024-11-01 03:55:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2024-11-01 03:55:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-01 03:55:27,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 03:55:27,051 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 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] [2024-11-01 03:55:27,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-01 03:55:27,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:55:27,252 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 03:55:27,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 03:55:27,253 INFO L85 PathProgramCache]: Analyzing trace with hash -2139398281, now seen corresponding path program 2 times [2024-11-01 03:55:27,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 03:55:27,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708433108] [2024-11-01 03:55:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 03:55:27,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:55:27,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:55:27,256 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 03:55:27,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-01 03:55:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 03:55:28,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-01 03:55:28,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 03:55:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 198 proven. 181 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2024-11-01 03:55:34,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 03:55:40,168 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse11 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_358~0#1|))) (let ((.cse10 (not .cse11)) (.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_280~0#1|)) (.cse9 (or .cse11 (forall ((|v_ULTIMATE.start_main_~var_384_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_387_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_384_arg_1~0#1_16|)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_387_arg_0~0#1_17|)))) .cse5))))))) (let ((.cse3 (and (or .cse10 (forall ((|v_ULTIMATE.start_main_~var_283_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_302_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_286_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_387_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_302_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_286_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_283_arg_1~0#1_16|) .cse8)))))) (_ bv255 32))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_387_arg_0~0#1_17|))))))))) .cse9)) (.cse1 (and .cse9 (or (forall ((|v_ULTIMATE.start_main_~var_283_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_302_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_286_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_387_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_302_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_286_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_283_arg_1~0#1_16|) .cse8)))))) (_ bv254 32))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_387_arg_0~0#1_17|)))))))) .cse10))) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_96~0#1|)) (.cse0 (= |c_ULTIMATE.start_main_~input_11~0#1| (_ bv0 8)))) (and (or .cse0 (and (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_295_arg_1~0#1_16| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_295_arg_1~0#1_16|))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_295_arg_1~0#1_16| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_295_arg_1~0#1_16|))))))))) .cse3))) (or (let ((.cse4 (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_257~0#1|)))))) (.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse8)))) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_284~0#1|))) (and (or (forall ((|v_ULTIMATE.start_main_~var_289_arg_0~0#1_16| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_289_arg_0~0#1_16|))))))) .cse7)))))))))))))) .cse3) (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_289_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse6 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_289_arg_0~0#1_16|))))))) .cse7)))))))))))))))) (not .cse0)))))) is different from false [2024-11-01 03:56:28,802 WARN L286 SmtUtils]: Spent 6.86s on a formula simplification that was a NOOP. DAG size: 197 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-01 03:56:41,574 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 03:56:41,576 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 03:56:41,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708433108] [2024-11-01 03:56:41,576 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-01 03:56:41,574 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 03:56:41,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-01 03:56:41,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:56:41,777 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 03:56:41,781 INFO L158 Benchmark]: Toolchain (without parser) took 90903.03ms. Allocated memory was 199.2MB in the beginning and 1.2GB in the end (delta: 954.2MB). Free memory was 160.5MB in the beginning and 548.6MB in the end (delta: -388.2MB). Peak memory consumption was 566.7MB. Max. memory is 8.0GB. [2024-11-01 03:56:41,782 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 199.2MB. Free memory is still 176.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 03:56:41,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.14ms. Allocated memory was 199.2MB in the beginning and 262.1MB in the end (delta: 62.9MB). Free memory was 160.5MB in the beginning and 213.7MB in the end (delta: -53.2MB). Peak memory consumption was 68.4MB. Max. memory is 8.0GB. [2024-11-01 03:56:41,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.71ms. Allocated memory is still 262.1MB. Free memory was 213.7MB in the beginning and 195.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-11-01 03:56:41,783 INFO L158 Benchmark]: Boogie Preprocessor took 231.17ms. Allocated memory is still 262.1MB. Free memory was 195.9MB in the beginning and 174.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-11-01 03:56:41,783 INFO L158 Benchmark]: RCFGBuilder took 2395.80ms. Allocated memory was 262.1MB in the beginning and 351.3MB in the end (delta: 89.1MB). Free memory was 174.4MB in the beginning and 236.8MB in the end (delta: -62.4MB). Peak memory consumption was 91.0MB. Max. memory is 8.0GB. [2024-11-01 03:56:41,784 INFO L158 Benchmark]: TraceAbstraction took 87017.96ms. Allocated memory was 351.3MB in the beginning and 1.2GB in the end (delta: 802.2MB). Free memory was 236.2MB in the beginning and 548.6MB in the end (delta: -312.4MB). Peak memory consumption was 489.4MB. Max. memory is 8.0GB. [2024-11-01 03:56:41,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 199.2MB. Free memory is still 176.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1049.14ms. Allocated memory was 199.2MB in the beginning and 262.1MB in the end (delta: 62.9MB). Free memory was 160.5MB in the beginning and 213.7MB in the end (delta: -53.2MB). Peak memory consumption was 68.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 197.71ms. Allocated memory is still 262.1MB. Free memory was 213.7MB in the beginning and 195.9MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 231.17ms. Allocated memory is still 262.1MB. Free memory was 195.9MB in the beginning and 174.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * RCFGBuilder took 2395.80ms. Allocated memory was 262.1MB in the beginning and 351.3MB in the end (delta: 89.1MB). Free memory was 174.4MB in the beginning and 236.8MB in the end (delta: -62.4MB). Peak memory consumption was 91.0MB. Max. memory is 8.0GB. * TraceAbstraction took 87017.96ms. Allocated memory was 351.3MB in the beginning and 1.2GB in the end (delta: 802.2MB). Free memory was 236.2MB in the beginning and 548.6MB in the end (delta: -312.4MB). Peak memory consumption was 489.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...