/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 08:43:33,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 08:43:33,689 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 08:43:33,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 08:43:33,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 08:43:33,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 08:43:33,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 08:43:33,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 08:43:33,731 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 08:43:33,731 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 08:43:33,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 08:43:33,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 08:43:33,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 08:43:33,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 08:43:33,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 08:43:33,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 08:43:33,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 08:43:33,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 08:43:33,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 08:43:33,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 08:43:33,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 08:43:33,739 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 08:43:33,739 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 08:43:33,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 08:43:33,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 08:43:33,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 08:43:33,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 08:43:33,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 08:43:33,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 08:43:33,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 08:43:33,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 08:43:33,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 08:43:33,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 08:43:33,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 08:43:33,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 08:43:33,742 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 08:43:33,742 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 08:43:33,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 08:43:33,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 08:43:33,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 08:43:33,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 08:43:33,744 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 08:43:33,745 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 08:43:34,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 08:43:34,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 08:43:34,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 08:43:34,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 08:43:34,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 08:43:34,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c [2024-11-01 08:43:35,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 08:43:35,882 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 08:43:35,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c [2024-11-01 08:43:35,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e91d6f0/b9b84f19ca38401984f4e078f9f3cc57/FLAGdf12750a2 [2024-11-01 08:43:35,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e91d6f0/b9b84f19ca38401984f4e078f9f3cc57 [2024-11-01 08:43:35,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 08:43:35,911 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 08:43:35,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 08:43:35,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 08:43:35,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 08:43:35,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 08:43:35" (1/1) ... [2024-11-01 08:43:35,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5031969f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:35, skipping insertion in model container [2024-11-01 08:43:35,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 08:43:35" (1/1) ... [2024-11-01 08:43:35,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 08:43:36,184 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.cal9.c[1244,1257] [2024-11-01 08:43:36,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 08:43:36,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 08:43:36,554 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.cal9.c[1244,1257] [2024-11-01 08:43:36,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 08:43:36,662 INFO L204 MainTranslator]: Completed translation [2024-11-01 08:43:36,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36 WrapperNode [2024-11-01 08:43:36,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 08:43:36,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 08:43:36,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 08:43:36,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 08:43:36,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,819 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1479 [2024-11-01 08:43:36,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 08:43:36,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 08:43:36,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 08:43:36,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 08:43:36,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,901 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]. [2024-11-01 08:43:36,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 08:43:36,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 08:43:36,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 08:43:36,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 08:43:36,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (1/1) ... [2024-11-01 08:43:36,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 08:43:37,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 08:43:37,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 08:43:37,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 08:43:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 08:43:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 08:43:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 08:43:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 08:43:37,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 08:43:37,393 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 08:43:37,395 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 08:43:39,505 INFO L? ?]: Removed 727 outVars from TransFormulas that were not future-live. [2024-11-01 08:43:39,506 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 08:43:39,517 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 08:43:39,518 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 08:43:39,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 08:43:39 BoogieIcfgContainer [2024-11-01 08:43:39,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 08:43:39,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 08:43:39,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 08:43:39,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 08:43:39,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 08:43:35" (1/3) ... [2024-11-01 08:43:39,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a91ae0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 08:43:39, skipping insertion in model container [2024-11-01 08:43:39,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:43:36" (2/3) ... [2024-11-01 08:43:39,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a91ae0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 08:43:39, skipping insertion in model container [2024-11-01 08:43:39,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 08:43:39" (3/3) ... [2024-11-01 08:43:39,525 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal9.c [2024-11-01 08:43:39,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 08:43:39,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 08:43:39,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 08:43:39,624 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;@6a842a63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 08:43:39,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 08:43:39,628 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) [2024-11-01 08:43:39,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 08:43:39,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 08:43:39,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 08:43:39,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 08:43:39,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 08:43:39,638 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 08:43:39,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 08:43:39,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674521225] [2024-11-01 08:43:39,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 08:43:39,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 08:43:39,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 08:43:39,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 08:43:39,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 08:43:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 08:43:40,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-01 08:43:40,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 08:43:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 08:43:40,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 08:43:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 08:43:40,997 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 08:43:40,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674521225] [2024-11-01 08:43:40,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [674521225] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 08:43:40,998 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 08:43:40,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 08:43:41,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216619225] [2024-11-01 08:43:41,001 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 08:43:41,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 08:43:41,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 08:43:41,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 08:43:41,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 08:43:41,026 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 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-01 08:43:41,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 08:43:41,532 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-01 08:43:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 08:43:41,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 [2024-11-01 08:43:41,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 08:43:41,540 INFO L225 Difference]: With dead ends: 18 [2024-11-01 08:43:41,540 INFO L226 Difference]: Without dead ends: 10 [2024-11-01 08:43:41,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-01 08:43:41,546 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 08:43:41,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-01 08:43:41,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-01 08:43:41,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-01 08:43:41,577 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) [2024-11-01 08:43:41,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-01 08:43:41,579 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-01 08:43:41,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 08:43:41,579 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-01 08:43:41,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-01 08:43:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-01 08:43:41,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-01 08:43:41,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 08:43:41,580 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-01 08:43:41,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 08:43:41,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 08:43:41,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 08:43:41,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 08:43:41,786 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-01 08:43:41,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 08:43:41,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961266050] [2024-11-01 08:43:41,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 08:43:41,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 08:43:41,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 08:43:41,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 08:43:41,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 08:43:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 08:43:43,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-01 08:43:43,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 08:43:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 08:43:44,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 08:43:57,951 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse36 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse51 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|)) (.cse63 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse36 (_ bv254 32)))))) (let ((.cse30 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_17~0#1|)) (.cse11 (= .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv508 32) .cse63)))))))) (.cse62 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse36 (_ bv255 32))))) (.cse20 (= .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv510 32) .cse63))))))))) (let ((.cse15 (not .cse20)) (.cse18 (= .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv510 32) .cse62)))))))) (.cse32 (= .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv508 32) .cse62)))))))) (.cse29 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_299~0#1|)) (.cse33 (not .cse11)) (.cse39 (forall ((|v_ULTIMATE.start_main_~var_318_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_322_arg_0~0#1_11| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_318_arg_0~0#1_11|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_322_arg_0~0#1_11|)))))) (_ bv0 8)))) (.cse61 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_31~0#1|))))) .cse30)))) (.cse27 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_302~0#1|))) (let ((.cse38 (= .cse61 .cse27)) (.cse31 (or .cse33 .cse39)) (.cse24 (= .cse61 .cse29)) (.cse9 (not .cse32)) (.cse7 (or .cse32 .cse39)) (.cse23 (not .cse18)) (.cse34 (or .cse18 .cse39)) (.cse21 (or .cse15 .cse39))) (let ((.cse56 (forall ((|v_ULTIMATE.start_main_~var_297_arg_0~0#1_10| (_ BitVec 8))) (not (= .cse51 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_297_arg_0~0#1_10|))))) (.cse45 (and (or .cse39 .cse20) .cse21)) (.cse43 (and (or .cse23 .cse39) .cse34)) (.cse52 (bvshl ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_279~0#1|) (_ bv2 32))) (.cse25 (and (or .cse9 .cse39) .cse7)) (.cse37 (not .cse24)) (.cse48 (and (or .cse11 .cse39) .cse31)) (.cse26 (not .cse38))) (let ((.cse3 (or (and (or .cse24 .cse25) (or .cse37 .cse48)) .cse26)) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_297_arg_0~0#1_10| (_ BitVec 8))) (= .cse51 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_297_arg_0~0#1_10|)))) (.cse0 (or .cse56 (and (or (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse52 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse30))))) (or (= .cse57 .cse29) (not (= .cse57 .cse27))))) .cse25) (or .cse45 (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse52 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse30))))) (or (not (= .cse58 .cse29)) (= .cse58 .cse27))))) (or .cse43 (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse52 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse30))))) (or (= .cse59 .cse27) (= .cse59 .cse29))))) (or .cse48 (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse52 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse51 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse30))))) (or (not (= .cse60 .cse29)) (not (= .cse60 .cse27))))))))) (.cse1 (or (and (or .cse43 (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse50 ((_ 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 .cse51 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse52))))) .cse30))))) (or (= .cse50 .cse27) (= .cse50 .cse29))))) (or .cse45 (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse53 ((_ 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 .cse51 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse52))))) .cse30))))) (or (= .cse53 .cse27) (not (= .cse53 .cse29)))))) (or .cse25 (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse54 ((_ 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 .cse51 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse52))))) .cse30))))) (or (= .cse54 .cse29) (not (= .cse54 .cse27)))))) (or (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse55 ((_ 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 .cse51 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse52))))) .cse30))))) (or (not (= .cse55 .cse29)) (not (= .cse55 .cse27))))) .cse48)) .cse56)) (.cse42 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_34~0#1|))) (and (or (and .cse0 .cse1 (or .cse2 (let ((.cse22 (forall ((|v_ULTIMATE.start_main_~var_309_arg_1~0#1_10| (_ 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_10|))))))))) .cse30))) .cse29)))) (.cse6 (forall ((|v_ULTIMATE.start_main_~var_309_arg_1~0#1_10| (_ 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_10|))))))))) .cse30))) .cse29)))) (let ((.cse19 (or .cse6 .cse39)) (.cse5 (or .cse22 .cse39))) (let ((.cse16 (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse41 ((_ 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_36_arg_1~0#1_10|))))))))) .cse30))))) (or (= .cse27 .cse41) (= .cse41 .cse29))))) (.cse17 (or .cse24 .cse38 .cse39)) (.cse4 (or .cse37 .cse39 .cse26)) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse40 ((_ 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_36_arg_1~0#1_10|))))))))) .cse30))))) (or (not (= .cse27 .cse40)) (not (= .cse40 .cse29)))))) (.cse14 (and .cse19 .cse5)) (.cse12 (or .cse37 .cse38 .cse39)) (.cse8 (forall ((|v_ULTIMATE.start_main_~var_318_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_322_arg_0~0#1_11| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_318_arg_0~0#1_11|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_322_arg_0~0#1_11|))))))))) (.cse13 (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse35 ((_ 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_36_arg_1~0#1_10|))))))))) .cse30))))) (or (= .cse27 .cse35) (not (= .cse35 .cse29))))))) (and .cse3 (or (and .cse4 (or (and .cse5 (or .cse6 (and .cse7 (or .cse8 .cse9)))) .cse10)) .cse11) (or (and .cse12 (or .cse13 .cse14)) .cse15) (or (and (or .cse16 .cse14) .cse17) .cse18) (or (and (or .cse16 (and .cse19 (or (and (or .cse8 .cse20) .cse21) .cse22))) .cse17) .cse23) (or .cse24 .cse25 .cse26) (or (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse28 ((_ 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_36_arg_1~0#1_10|))))))))) .cse30))))) (or (not (= .cse27 .cse28)) (= .cse28 .cse29)))) (and (or .cse9 (and .cse19 (or (and .cse31 (or .cse8 .cse11)) .cse22))) (or .cse14 .cse32))) (or (and .cse4 (or .cse10 .cse14)) .cse33) (or (and .cse12 (or (and (or (and .cse34 (or .cse8 .cse23)) .cse6) .cse5) .cse13)) .cse20))))))) .cse42) (or (and (or (and (or .cse43 (forall ((|v_ULTIMATE.start_main_~var_309_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse44 ((_ 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_2~0#1_10|))))))))) .cse30))))) (or (= .cse29 .cse44) (= .cse27 .cse44))))) (or .cse45 (forall ((|v_ULTIMATE.start_main_~var_309_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse46 ((_ 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_2~0#1_10|))))))))) .cse30))))) (or (= .cse27 .cse46) (not (= .cse29 .cse46)))))) (or (forall ((|v_ULTIMATE.start_main_~var_309_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse47 ((_ 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_2~0#1_10|))))))))) .cse30))))) (or (not (= .cse29 .cse47)) (not (= .cse27 .cse47))))) .cse48) (or (forall ((|v_ULTIMATE.start_main_~var_309_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse49 ((_ 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_2~0#1_10|))))))))) .cse30))))) (or (= .cse29 .cse49) (not (= .cse27 .cse49))))) .cse25)) .cse2) (or (and .cse3 (or .cse38 (and (or .cse43 .cse24) (or .cse37 .cse45)))) .cse2) .cse0 .cse1) (not .cse42)))))))))) is different from false [2024-11-01 08:44:36,201 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-01 08:44:36,202 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 08:44:36,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961266050] [2024-11-01 08:44:36,203 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-01 08:44:36,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-01 08:44:36,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-01 08:44:36,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 08:44:36,405 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.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2024-11-01 08:44:36,408 INFO L158 Benchmark]: Toolchain (without parser) took 60497.06ms. Allocated memory was 189.8MB in the beginning and 816.8MB in the end (delta: 627.0MB). Free memory was 162.5MB in the beginning and 760.4MB in the end (delta: -598.0MB). Peak memory consumption was 30.1MB. Max. memory is 8.0GB. [2024-11-01 08:44:36,409 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 189.8MB. Free memory is still 165.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 08:44:36,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 750.91ms. Allocated memory is still 189.8MB. Free memory was 162.5MB in the beginning and 106.9MB in the end (delta: 55.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2024-11-01 08:44:36,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.55ms. Allocated memory is still 189.8MB. Free memory was 106.9MB in the beginning and 94.8MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-11-01 08:44:36,411 INFO L158 Benchmark]: Boogie Preprocessor took 163.05ms. Allocated memory is still 189.8MB. Free memory was 94.8MB in the beginning and 80.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-01 08:44:36,412 INFO L158 Benchmark]: RCFGBuilder took 2533.11ms. Allocated memory was 189.8MB in the beginning and 251.7MB in the end (delta: 61.9MB). Free memory was 80.7MB in the beginning and 71.2MB in the end (delta: 9.5MB). Peak memory consumption was 79.8MB. Max. memory is 8.0GB. [2024-11-01 08:44:36,412 INFO L158 Benchmark]: TraceAbstraction took 56887.64ms. Allocated memory was 251.7MB in the beginning and 816.8MB in the end (delta: 565.2MB). Free memory was 70.7MB in the beginning and 760.4MB in the end (delta: -689.7MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 08:44:36,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 189.8MB. Free memory is still 165.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 750.91ms. Allocated memory is still 189.8MB. Free memory was 162.5MB in the beginning and 106.9MB in the end (delta: 55.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 156.55ms. Allocated memory is still 189.8MB. Free memory was 106.9MB in the beginning and 94.8MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 163.05ms. Allocated memory is still 189.8MB. Free memory was 94.8MB in the beginning and 80.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * RCFGBuilder took 2533.11ms. Allocated memory was 189.8MB in the beginning and 251.7MB in the end (delta: 61.9MB). Free memory was 80.7MB in the beginning and 71.2MB in the end (delta: 9.5MB). Peak memory consumption was 79.8MB. Max. memory is 8.0GB. * TraceAbstraction took 56887.64ms. Allocated memory was 251.7MB in the beginning and 816.8MB in the end (delta: 565.2MB). Free memory was 70.7MB in the beginning and 760.4MB in the end (delta: -689.7MB). There was no memory consumed. 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...