/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 06:19:43,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 06:19:43,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 06:19:43,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 06:19:43,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 06:19:43,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 06:19:43,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 06:19:43,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 06:19:43,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 06:19:43,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 06:19:43,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 06:19:43,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 06:19:43,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 06:19:43,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 06:19:43,509 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 06:19:43,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 06:19:43,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 06:19:43,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 06:19:43,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 06:19:43,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 06:19:43,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 06:19:43,515 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 06:19:43,515 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 06:19:43,516 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 06:19:43,516 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 06:19:43,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 06:19:43,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 06:19:43,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 06:19:43,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 06:19:43,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 06:19:43,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 06:19:43,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 06:19:43,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 06:19:43,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 06:19:43,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 06:19:43,522 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 06:19:43,523 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 06:19:43,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 06:19:43,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 06:19:43,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 06:19:43,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 06:19:43,524 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 06:19:43,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 06:19:43,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 06:19:43,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 06:19:43,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 06:19:43,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 06:19:43,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c [2024-11-06 06:19:45,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 06:19:45,557 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 06:19:45,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c [2024-11-06 06:19:45,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff11db41f/f3bf71db57cc4990afd51c5803d2f9b8/FLAGce2b4e7ea [2024-11-06 06:19:45,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff11db41f/f3bf71db57cc4990afd51c5803d2f9b8 [2024-11-06 06:19:45,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 06:19:45,835 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 06:19:45,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 06:19:45,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 06:19:45,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 06:19:45,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:19:45" (1/1) ... [2024-11-06 06:19:45,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ca96cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:45, skipping insertion in model container [2024-11-06 06:19:45,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:19:45" (1/1) ... [2024-11-06 06:19:45,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 06:19:46,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c[1244,1257] [2024-11-06 06:19:46,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 06:19:46,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 06:19:46,531 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c[1244,1257] [2024-11-06 06:19:46,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 06:19:46,701 INFO L204 MainTranslator]: Completed translation [2024-11-06 06:19:46,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46 WrapperNode [2024-11-06 06:19:46,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 06:19:46,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 06:19:46,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 06:19:46,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 06:19:46,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,833 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1479 [2024-11-06 06:19:46,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 06:19:46,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 06:19:46,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 06:19:46,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 06:19:46,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,914 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-06 06:19:46,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:46,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:47,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 06:19:47,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 06:19:47,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 06:19:47,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 06:19:47,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (1/1) ... [2024-11-06 06:19:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 06:19:47,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 06:19:47,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 06:19:47,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 06:19:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 06:19:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 06:19:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 06:19:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 06:19:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 06:19:47,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 06:19:47,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 06:19:49,769 INFO L? ?]: Removed 727 outVars from TransFormulas that were not future-live. [2024-11-06 06:19:49,770 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 06:19:49,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 06:19:49,784 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 06:19:49,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:19:49 BoogieIcfgContainer [2024-11-06 06:19:49,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 06:19:49,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 06:19:49,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 06:19:49,791 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 06:19:49,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:19:45" (1/3) ... [2024-11-06 06:19:49,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2340c6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:19:49, skipping insertion in model container [2024-11-06 06:19:49,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:19:46" (2/3) ... [2024-11-06 06:19:49,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2340c6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:19:49, skipping insertion in model container [2024-11-06 06:19:49,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:19:49" (3/3) ... [2024-11-06 06:19:49,795 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal9.c [2024-11-06 06:19:49,810 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 06:19:49,811 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 06:19:49,868 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 06:19:49,874 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;@933c0dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 06:19:49,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 06:19:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 06:19:49,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-06 06:19:49,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 06:19:49,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-06 06:19:49,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 06:19:49,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 06:19:49,890 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-06 06:19:49,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 06:19:49,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235858260] [2024-11-06 06:19:49,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 06:19:49,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:19:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 06:19:49,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 06:19:49,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 06:19:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 06:19:50,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-06 06:19:50,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 06:19:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 06:19:51,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 06:19:51,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 06:19:51,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235858260] [2024-11-06 06:19:51,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235858260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 06:19:51,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 06:19:51,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 06:19:51,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194466561] [2024-11-06 06:19:51,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 06:19:51,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 06:19:51,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 06:19:51,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 06:19:51,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 06:19:51,119 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 06:19:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 06:19:51,602 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-06 06:19:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 06:19:51,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-06 06:19:51,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 06:19:51,611 INFO L225 Difference]: With dead ends: 18 [2024-11-06 06:19:51,611 INFO L226 Difference]: Without dead ends: 10 [2024-11-06 06:19:51,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-06 06:19:51,618 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-06 06:19:51,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-06 06:19:51,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-06 06:19:51,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-06 06:19:51,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 06:19:51,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-06 06:19:51,650 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-06 06:19:51,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 06:19:51,650 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-06 06:19:51,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 06:19:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-06 06:19:51,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-06 06:19:51,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 06:19:51,652 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-06 06:19:51,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 06:19:51,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:19:51,854 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 06:19:51,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 06:19:51,855 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-06 06:19:51,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 06:19:51,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147621345] [2024-11-06 06:19:51,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 06:19:51,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:19:51,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 06:19:51,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 06:19:51,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 06:19:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 06:19:55,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-06 06:19:55,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 06:19:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 06:19:57,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 06:20:07,886 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 (_ bv254 32))))) (.cse24 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|)) (.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 (_ bv255 32)))))) (let ((.cse16 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_9| (_ BitVec 8))) (= .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_9|) (_ bv1 32)) .cse26))))))))) (.cse20 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_9| (_ BitVec 8))) (not (= .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_9|) (_ bv1 32)) .cse27)))))))))) (.cse15 (forall ((|v_ULTIMATE.start_main_~var_322_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_318_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_322_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_318_arg_0~0#1_10|) (_ bv1 32)))))))))))))))) (let ((.cse22 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_9| (_ BitVec 8))) (= .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_9|) (_ bv1 32)) .cse27))))))))) (.cse18 (or .cse20 .cse15)) (.cse21 (or .cse16 .cse15)) (.cse14 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_9| (_ BitVec 8))) (not (= .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_9|) (_ bv1 32)) .cse26)))))))))) (.cse34 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_31~0#1|)))))) (.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_17~0#1|)) (.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_299~0#1|))) (let ((.cse36 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse34 .cse5))) .cse4)) (.cse6 (and .cse21 (or .cse14 .cse15))) (.cse7 (and (or .cse22 .cse15) .cse18)) (.cse35 (bvshl ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_279~0#1|) (_ bv2 32)))) (let ((.cse8 (or .cse7 (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_9| (_ BitVec 8))) (not (= .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_9|)))))) .cse35))))) .cse5)))))))) (.cse9 (or (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_9| (_ BitVec 8))) (= .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_9|)))))) .cse35))))) .cse5))))) .cse6)) (.cse28 (forall ((|v_ULTIMATE.start_main_~var_43_arg_0~0#1_9| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_0~0#1_9|))) .cse23))))) (.cse29 (or (not .cse36) .cse7)) (.cse30 (or .cse6 .cse36)) (.cse3 (or (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_9| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_9|)))))) .cse35)))))))) .cse4))) .cse7)) (.cse10 (or (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_9| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_9|)))))) .cse35)))))))) .cse4)) .cse6)) (.cse11 (forall ((|v_ULTIMATE.start_main_~var_43_arg_0~0#1_9| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_0~0#1_9|))) .cse23))))))) (let ((.cse1 (or (forall ((|v_ULTIMATE.start_main_~var_41_arg_0~0#1_9| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_9|) (_ bv1 32))))))))) (let ((.cse33 (= .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse34)) .cse5)))))) (let ((.cse31 (or (not .cse33) .cse7)) (.cse32 (or .cse33 .cse6))) (and (or (and .cse31 .cse8 .cse32 .cse9) .cse11) (or .cse28 (and .cse8 .cse29 .cse9 .cse30)) (or .cse28 (and .cse3 .cse29 .cse30 .cse10)) (or (and .cse31 .cse3 .cse32 .cse10) .cse11)))))) (.cse12 (forall ((|v_ULTIMATE.start_main_~var_41_arg_0~0#1_9| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_41_arg_0~0#1_9|) (_ bv1 32))))))))) (.cse2 (or .cse28 (and .cse3 .cse8 .cse29 .cse9 .cse30 .cse10))) (.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_34~0#1|))) (and (or (not .cse0) (and .cse1 (or (and .cse2 (or (and .cse3 (or (forall ((|v_ULTIMATE.start_main_~input_18~0#1_9| (_ BitVec 8))) (= .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_18~0#1_9|))))))))) .cse5))))) .cse6) (or (forall ((|v_ULTIMATE.start_main_~input_18~0#1_9| (_ BitVec 8))) (not (= .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~input_18~0#1_9|))))))))) .cse5)))))) .cse7) .cse8 .cse9 .cse10) .cse11)) .cse12))) (or (and .cse1 (or .cse12 (and .cse2 (or (let ((.cse17 (or (forall ((|v_ULTIMATE.start_main_~var_322_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_318_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_322_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_318_arg_0~0#1_10|) (_ bv0 32)))))))))))))) (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_9| (_ BitVec 8))) (let ((.cse25 (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_9|) (_ bv1 32)))) (or (not (= .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse25 .cse26)))))))) (= .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse25 .cse27)))))))))))) (.cse13 (forall ((|v_ULTIMATE.start_main_~var_309_arg_1~0#1_9| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_309_arg_1~0#1_9|))))))))) .cse5))) .cse4))) (.cse19 (forall ((|v_ULTIMATE.start_main_~var_309_arg_1~0#1_9| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_309_arg_1~0#1_9|))))))))) .cse5))) .cse4))))) (and .cse3 .cse8 (or (and (or .cse13 .cse14 .cse15) (or .cse13 .cse16 .cse15) (or (and .cse17 .cse18) .cse19) (or .cse16 .cse19 .cse15)) (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_9| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_36_arg_1~0#1_9|)))))))))))) .cse4))) .cse9 (or (and (or .cse20 .cse13 .cse15) (or .cse20 .cse19 .cse15) (or (and .cse17 .cse21) .cse13) (or .cse22 .cse19 .cse15)) (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_9| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_36_arg_1~0#1_9|)))))))))))) .cse4)))) .cse10)) .cse11)))) .cse0))))))))) is different from false [2024-11-06 06:20:43,789 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-06 06:20:43,790 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 06:20:43,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-06 06:20:43,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147621345] [2024-11-06 06:20:43,791 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-06 06:20:43,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-06 06:20:43,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:20:43,993 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:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-11-06 06:20:43,998 INFO L158 Benchmark]: Toolchain (without parser) took 58162.57ms. Allocated memory was 361.8MB in the beginning and 766.5MB in the end (delta: 404.8MB). Free memory was 305.3MB in the beginning and 638.4MB in the end (delta: -333.1MB). Peak memory consumption was 72.6MB. Max. memory is 8.0GB. [2024-11-06 06:20:43,998 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 212.9MB. Free memory is still 166.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-06 06:20:43,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.93ms. Allocated memory is still 361.8MB. Free memory was 305.0MB in the beginning and 307.0MB in the end (delta: -2.0MB). Peak memory consumption was 44.4MB. Max. memory is 8.0GB. [2024-11-06 06:20:43,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.10ms. Allocated memory is still 361.8MB. Free memory was 307.0MB in the beginning and 294.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-11-06 06:20:43,999 INFO L158 Benchmark]: Boogie Preprocessor took 186.38ms. Allocated memory is still 361.8MB. Free memory was 294.9MB in the beginning and 280.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-06 06:20:44,000 INFO L158 Benchmark]: RCFGBuilder took 2762.21ms. Allocated memory was 361.8MB in the beginning and 569.4MB in the end (delta: 207.6MB). Free memory was 280.2MB in the beginning and 488.4MB in the end (delta: -208.2MB). Peak memory consumption was 181.4MB. Max. memory is 8.0GB. [2024-11-06 06:20:44,001 INFO L158 Benchmark]: TraceAbstraction took 54210.54ms. Allocated memory was 569.4MB in the beginning and 766.5MB in the end (delta: 197.1MB). Free memory was 487.9MB in the beginning and 638.4MB in the end (delta: -150.5MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2024-11-06 06:20:44,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 212.9MB. Free memory is still 166.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 864.93ms. Allocated memory is still 361.8MB. Free memory was 305.0MB in the beginning and 307.0MB in the end (delta: -2.0MB). Peak memory consumption was 44.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 130.10ms. Allocated memory is still 361.8MB. Free memory was 307.0MB in the beginning and 294.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 186.38ms. Allocated memory is still 361.8MB. Free memory was 294.9MB in the beginning and 280.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * RCFGBuilder took 2762.21ms. Allocated memory was 361.8MB in the beginning and 569.4MB in the end (delta: 207.6MB). Free memory was 280.2MB in the beginning and 488.4MB in the end (delta: -208.2MB). Peak memory consumption was 181.4MB. Max. memory is 8.0GB. * TraceAbstraction took 54210.54ms. Allocated memory was 569.4MB in the beginning and 766.5MB in the end (delta: 197.1MB). Free memory was 487.9MB in the beginning and 638.4MB in the end (delta: -150.5MB). Peak memory consumption was 47.2MB. 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...