/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 16:01:41,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 16:01:41,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 16:01:41,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 16:01:41,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 16:01:41,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 16:01:41,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 16:01:41,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 16:01:41,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 16:01:41,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 16:01:41,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 16:01:41,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 16:01:41,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 16:01:41,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 16:01:41,402 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 16:01:41,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 16:01:41,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 16:01:41,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 16:01:41,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 16:01:41,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 16:01:41,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 16:01:41,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 16:01:41,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 16:01:41,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 16:01:41,406 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 16:01:41,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 16:01:41,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 16:01:41,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 16:01:41,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 16:01:41,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 16:01:41,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 16:01:41,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 16:01:41,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 16:01:41,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 16:01:41,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 16:01:41,409 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 16:01:41,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 16:01:41,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 16:01:41,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 16:01:41,410 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 16:01:41,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 16:01:41,410 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:01:41,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 16:01:41,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 16:01:41,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 16:01:41,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 16:01:41,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 16:01:41,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c [2024-11-04 16:01:43,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 16:01:43,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 16:01:43,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal9.c [2024-11-04 16:01:43,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf7dbc8a/66110f5786b947fbbc9e86961fcdec86/FLAGbf94e9ce6 [2024-11-04 16:01:43,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf7dbc8a/66110f5786b947fbbc9e86961fcdec86 [2024-11-04 16:01:43,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 16:01:43,702 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 16:01:43,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 16:01:43,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 16:01:43,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 16:01:43,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:01:43" (1/1) ... [2024-11-04 16:01:43,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a91c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:43, skipping insertion in model container [2024-11-04 16:01:43,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:01:43" (1/1) ... [2024-11-04 16:01:43,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 16:01:43,992 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] [2024-11-04 16:01:44,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 16:01:44,280 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 16:01:44,293 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] [2024-11-04 16:01:44,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 16:01:44,485 INFO L204 MainTranslator]: Completed translation [2024-11-04 16:01:44,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44 WrapperNode [2024-11-04 16:01:44,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 16:01:44,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 16:01:44,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 16:01:44,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 16:01:44,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,623 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1479 [2024-11-04 16:01:44,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 16:01:44,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 16:01:44,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 16:01:44,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 16:01:44,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,651 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,710 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]. [2024-11-04 16:01:44,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 16:01:44,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 16:01:44,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 16:01:44,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 16:01:44,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (1/1) ... [2024-11-04 16:01:44,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 16:01:44,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 16:01:44,826 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) [2024-11-04 16:01:44,832 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 [2024-11-04 16:01:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 16:01:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 16:01:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 16:01:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 16:01:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 16:01:45,134 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 16:01:45,137 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 16:01:47,212 INFO L? ?]: Removed 727 outVars from TransFormulas that were not future-live. [2024-11-04 16:01:47,212 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 16:01:47,224 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 16:01:47,225 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 16:01:47,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:01:47 BoogieIcfgContainer [2024-11-04 16:01:47,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 16:01:47,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 16:01:47,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 16:01:47,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 16:01:47,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 04:01:43" (1/3) ... [2024-11-04 16:01:47,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a19e52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:01:47, skipping insertion in model container [2024-11-04 16:01:47,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:01:44" (2/3) ... [2024-11-04 16:01:47,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a19e52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:01:47, skipping insertion in model container [2024-11-04 16:01:47,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:01:47" (3/3) ... [2024-11-04 16:01:47,237 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal9.c [2024-11-04 16:01:47,251 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 16:01:47,252 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 16:01:47,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 16:01:47,316 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;@43f0a3e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 16:01:47,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 16:01:47,321 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) [2024-11-04 16:01:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-04 16:01:47,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 16:01:47,328 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-04 16:01:47,328 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 16:01:47,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 16:01:47,334 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-04 16:01:47,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 16:01:47,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15476736] [2024-11-04 16:01:47,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 16:01:47,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:01:47,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 16:01:47,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 16:01:47,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 16:01:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 16:01:48,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-04 16:01:48,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 16:01:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 16:01:48,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 16:01:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 16:01:48,223 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 16:01:48,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15476736] [2024-11-04 16:01:48,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [15476736] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 16:01:48,224 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 16:01:48,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 16:01:48,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229371472] [2024-11-04 16:01:48,227 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 16:01:48,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 16:01:48,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 16:01:48,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 16:01:48,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 16:01:48,253 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) [2024-11-04 16:01:48,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 16:01:48,659 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-04 16:01:48,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 16:01:48,663 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 [2024-11-04 16:01:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 16:01:48,669 INFO L225 Difference]: With dead ends: 18 [2024-11-04 16:01:48,670 INFO L226 Difference]: Without dead ends: 10 [2024-11-04 16:01:48,673 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 [2024-11-04 16:01:48,678 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-04 16:01:48,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-04 16:01:48,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-04 16:01:48,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-04 16:01:48,703 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) [2024-11-04 16:01:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-04 16:01:48,705 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-04 16:01:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 16:01:48,705 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-04 16:01:48,705 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) [2024-11-04 16:01:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-04 16:01:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-04 16:01:48,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 16:01:48,706 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-04 16:01:48,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-04 16:01:48,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:01:48,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 16:01:48,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 16:01:48,912 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-04 16:01:48,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 16:01:48,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934495761] [2024-11-04 16:01:48,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 16:01:48,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:01:48,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 16:01:48,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 16:01:48,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 16:01:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 16:01:49,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-04 16:01:49,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 16:01:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 16:01:50,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 16:01:59,911 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse21 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 (_ bv254 32))))) (.cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|)) (.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 (_ bv255 32)))))) (let ((.cse10 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (= .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)) .cse25))))))))) (.cse18 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (not (= .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)) .cse24)))))))))) (.cse12 (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 .cse21 ((_ 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))))) (let ((.cse15 (or .cse18 .cse12)) (.cse19 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (= .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)) .cse24))))))))) (.cse27 (bvshl ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_279~0#1|) (_ bv2 32))) (.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_17~0#1|)) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_299~0#1|)) (.cse14 (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (not (= .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)) .cse25)))))))))) (.cse17 (or .cse10 .cse12))) (let ((.cse0 (and (or .cse12 .cse14) .cse17)) (.cse5 (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (= ((_ 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 .cse22 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse27))))) .cse8))) .cse9))) (.cse2 (forall ((|v_ULTIMATE.start_main_~var_278_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) (bvor .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse8))) .cse9))) (.cse26 (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse27))))) .cse8))) .cse9)))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_278_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) (bvor .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse8))) .cse9)))) (.cse3 (and .cse15 (or .cse19 .cse12)))) (let ((.cse1 (= ((_ 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|))))) .cse8))) .cse9)) (.cse6 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_34~0#1|)) (.cse7 (or (and .cse26 .cse4) .cse3)) (.cse20 (or .cse0 (and .cse5 .cse2)))) (and (or .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse4) (or .cse0 .cse5) (or .cse6 (let ((.cse16 (or (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 .cse21 ((_ 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|)))))))) (forall ((|v_ULTIMATE.start_main_~var_315_arg_0~0#1_10| (_ BitVec 8))) (let ((.cse23 (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_315_arg_0~0#1_10|) (_ bv1 32)))) (or (= .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 .cse24))))))) (not (= .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 .cse25))))))))))))) (.cse13 (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|))))))))) .cse8))) .cse9))) (.cse11 (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|))))))))) .cse8))) .cse9))))) (and .cse7 (or (forall ((|v_ULTIMATE.start_main_~var_36_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_36_arg_1~0#1_10|))))))))) .cse8))) .cse9)) (and (or .cse10 .cse11 .cse12) (or .cse13 .cse12 .cse14) (or (and .cse15 .cse16) .cse11) (or .cse13 .cse10 .cse12))) (or (forall ((|v_ULTIMATE.start_main_~var_36_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_36_arg_1~0#1_10|))))))))) .cse8))) .cse9))) (and (or .cse13 (and .cse17 .cse16)) (or .cse11 .cse18 .cse12) (or .cse13 .cse18 .cse12) (or .cse11 .cse19 .cse12))) .cse20))) (or .cse3 (not .cse1)) (or .cse26 .cse3) (or (not .cse6) (and (or .cse0 (forall ((|v_ULTIMATE.start_main_~var_309_arg_2~0#1_10| (_ BitVec 8))) (= .cse9 ((_ 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|))))))))) .cse8)))))) .cse7 (or .cse3 (forall ((|v_ULTIMATE.start_main_~var_309_arg_2~0#1_10| (_ BitVec 8))) (not (= .cse9 ((_ 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|))))))))) .cse8))))))) .cse20))))))))) is different from false [2024-11-04 16:02:19,432 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 [2024-11-04 16:02:19,432 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") [2024-11-04 16:02:19,434 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 16:02:19,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934495761] [2024-11-04 16:02:19,436 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-04 16:02:19,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 16:02:19,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 16:02:19,641 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2024-11-04 16:02:19,644 INFO L158 Benchmark]: Toolchain (without parser) took 35942.24ms. Allocated memory was 194.0MB in the beginning and 589.3MB in the end (delta: 395.3MB). Free memory was 142.3MB in the beginning and 429.8MB in the end (delta: -287.5MB). Peak memory consumption was 108.7MB. Max. memory is 8.0GB. [2024-11-04 16:02:19,644 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-04 16:02:19,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.25ms. Allocated memory was 194.0MB in the beginning and 306.2MB in the end (delta: 112.2MB). Free memory was 142.0MB in the beginning and 255.4MB in the end (delta: -113.4MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. [2024-11-04 16:02:19,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.08ms. Allocated memory is still 306.2MB. Free memory was 255.4MB in the beginning and 243.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-04 16:02:19,646 INFO L158 Benchmark]: Boogie Preprocessor took 172.24ms. Allocated memory is still 306.2MB. Free memory was 243.4MB in the beginning and 229.2MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-04 16:02:19,646 INFO L158 Benchmark]: RCFGBuilder took 2428.75ms. Allocated memory is still 306.2MB. Free memory was 229.2MB in the beginning and 248.5MB in the end (delta: -19.2MB). Peak memory consumption was 155.4MB. Max. memory is 8.0GB. [2024-11-04 16:02:19,646 INFO L158 Benchmark]: TraceAbstraction took 32414.93ms. Allocated memory was 306.2MB in the beginning and 589.3MB in the end (delta: 283.1MB). Free memory was 247.9MB in the beginning and 429.8MB in the end (delta: -181.9MB). Peak memory consumption was 101.8MB. Max. memory is 8.0GB. [2024-11-04 16:02:19,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 783.25ms. Allocated memory was 194.0MB in the beginning and 306.2MB in the end (delta: 112.2MB). Free memory was 142.0MB in the beginning and 255.4MB in the end (delta: -113.4MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 136.08ms. Allocated memory is still 306.2MB. Free memory was 255.4MB in the beginning and 243.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 172.24ms. Allocated memory is still 306.2MB. Free memory was 243.4MB in the beginning and 229.2MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * RCFGBuilder took 2428.75ms. Allocated memory is still 306.2MB. Free memory was 229.2MB in the beginning and 248.5MB in the end (delta: -19.2MB). Peak memory consumption was 155.4MB. Max. memory is 8.0GB. * TraceAbstraction took 32414.93ms. Allocated memory was 306.2MB in the beginning and 589.3MB in the end (delta: 283.1MB). Free memory was 247.9MB in the beginning and 429.8MB in the end (delta: -181.9MB). Peak memory consumption was 101.8MB. 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...