/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.sw_state_machine.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 09:46:35,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 09:46:35,510 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 09:46:35,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 09:46:35,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 09:46:35,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 09:46:35,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 09:46:35,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 09:46:35,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 09:46:35,547 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 09:46:35,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 09:46:35,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 09:46:35,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 09:46:35,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 09:46:35,552 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 09:46:35,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 09:46:35,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 09:46:35,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 09:46:35,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 09:46:35,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 09:46:35,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 09:46:35,554 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 09:46:35,555 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 09:46:35,555 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 09:46:35,555 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 09:46:35,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 09:46:35,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 09:46:35,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 09:46:35,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 09:46:35,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 09:46:35,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 09:46:35,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 09:46:35,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 09:46:35,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 09:46:35,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 09:46:35,557 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 09:46:35,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 09:46:35,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 09:46:35,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 09:46:35,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 09:46:35,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 09:46:35,571 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 09:46:35,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 09:46:35,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 09:46:35,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 09:46:35,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 09:46:35,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 09:46:35,911 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 09:46:35,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-01 09:46:37,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 09:46:37,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 09:46:37,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-01 09:46:37,665 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f5d262d/bfb6ca63643e41dda5d9f3507c53e3c9/FLAGd81722204 [2024-11-01 09:46:37,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f5d262d/bfb6ca63643e41dda5d9f3507c53e3c9 [2024-11-01 09:46:37,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 09:46:37,690 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 09:46:37,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 09:46:37,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 09:46:37,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 09:46:37,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 09:46:37" (1/1) ... [2024-11-01 09:46:37,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75dc04b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:37, skipping insertion in model container [2024-11-01 09:46:37,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 09:46:37" (1/1) ... [2024-11-01 09:46:37,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 09:46:37,938 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.sw_state_machine.c[1256,1269] [2024-11-01 09:46:38,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 09:46:38,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 09:46:38,127 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.sw_state_machine.c[1256,1269] [2024-11-01 09:46:38,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 09:46:38,256 INFO L204 MainTranslator]: Completed translation [2024-11-01 09:46:38,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38 WrapperNode [2024-11-01 09:46:38,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 09:46:38,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 09:46:38,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 09:46:38,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 09:46:38,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,346 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 703 [2024-11-01 09:46:38,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 09:46:38,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 09:46:38,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 09:46:38,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 09:46:38,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,409 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-01 09:46:38,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 09:46:38,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 09:46:38,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 09:46:38,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 09:46:38,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (1/1) ... [2024-11-01 09:46:38,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 09:46:38,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 09:46:38,513 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 09:46:38,520 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 09:46:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 09:46:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 09:46:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 09:46:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 09:46:38,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 09:46:38,761 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 09:46:39,467 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-01 09:46:39,468 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 09:46:39,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 09:46:39,479 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 09:46:39,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 09:46:39 BoogieIcfgContainer [2024-11-01 09:46:39,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 09:46:39,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 09:46:39,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 09:46:39,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 09:46:39,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 09:46:37" (1/3) ... [2024-11-01 09:46:39,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ee609b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 09:46:39, skipping insertion in model container [2024-11-01 09:46:39,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 09:46:38" (2/3) ... [2024-11-01 09:46:39,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ee609b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 09:46:39, skipping insertion in model container [2024-11-01 09:46:39,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 09:46:39" (3/3) ... [2024-11-01 09:46:39,488 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_state_machine.c [2024-11-01 09:46:39,502 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 09:46:39,503 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 09:46:39,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 09:46:39,564 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;@20164afc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 09:46:39,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 09:46:39,571 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 09:46:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 09:46:39,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 09:46:39,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 09:46:39,579 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 09:46:39,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 09:46:39,584 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 09:46:39,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 09:46:39,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318485840] [2024-11-01 09:46:39,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 09:46:39,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 09:46:39,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 09:46:39,597 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 09:46:39,618 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 09:46:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 09:46:39,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-01 09:46:39,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 09:46:40,002 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 09:46:40,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 09:46:40,069 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 09:46:40,070 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 09:46:40,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [318485840] [2024-11-01 09:46:40,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [318485840] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 09:46:40,072 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 09:46:40,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 09:46:40,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760437221] [2024-11-01 09:46:40,076 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 09:46:40,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 09:46:40,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 09:46:40,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 09:46:40,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 09:46:40,101 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 09:46:40,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 09:46:40,163 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-01 09:46:40,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 09:46:40,166 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 09:46:40,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 09:46:40,172 INFO L225 Difference]: With dead ends: 18 [2024-11-01 09:46:40,172 INFO L226 Difference]: Without dead ends: 10 [2024-11-01 09:46:40,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-01 09:46:40,179 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 09:46:40,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 09:46:40,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-01 09:46:40,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-01 09:46:40,205 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 09:46:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-01 09:46:40,208 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-01 09:46:40,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 09:46:40,208 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-01 09:46:40,208 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 09:46:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-01 09:46:40,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-01 09:46:40,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 09:46:40,209 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-01 09:46:40,215 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 09:46:40,413 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 09:46:40,415 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 09:46:40,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 09:46:40,416 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-01 09:46:40,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 09:46:40,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181380974] [2024-11-01 09:46:40,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 09:46:40,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 09:46:40,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 09:46:40,419 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 09:46:40,421 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 09:46:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 09:46:40,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-01 09:46:40,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 09:46:40,965 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 09:46:40,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 09:46:46,595 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_5~0#1|))) (and (or (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|)))))) (and (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_11| (_ BitVec 8)) (|ULTIMATE.start_main_~state_16~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_11|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse2)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~state_16~0#1|)))))))))))))))))))))) (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_11| (_ BitVec 8)) (|ULTIMATE.start_main_~state_16~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse2)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~state_16~0#1|)))) .cse1))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_11|)))))))))) .cse3) (or (not .cse3) (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_11| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_11|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse1)))))))))))))))))) is different from false [2024-11-01 09:46:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-01 09:46:46,728 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 09:46:46,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181380974] [2024-11-01 09:46:46,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [181380974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 09:46:46,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 09:46:46,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-01 09:46:46,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995605863] [2024-11-01 09:46:46,729 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 09:46:46,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-01 09:46:46,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 09:46:46,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-01 09:46:46,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2024-11-01 09:46:46,732 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 09:46:46,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 09:46:46,925 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-01 09:46:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 09:46:46,926 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 8 [2024-11-01 09:46:46,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 09:46:46,926 INFO L225 Difference]: With dead ends: 15 [2024-11-01 09:46:46,926 INFO L226 Difference]: Without dead ends: 13 [2024-11-01 09:46:46,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=31, Invalid=44, Unknown=1, NotChecked=14, Total=90 [2024-11-01 09:46:46,928 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 09:46:46,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 6 Unchecked, 0.1s Time] [2024-11-01 09:46:46,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-01 09:46:46,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-01 09:46:46,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 09:46:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-01 09:46:46,933 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-01 09:46:46,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 09:46:46,933 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-01 09:46:46,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 09:46:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-01 09:46:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-01 09:46:46,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 09:46:46,935 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-01 09:46:46,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-01 09:46:47,139 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 09:46:47,140 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 09:46:47,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 09:46:47,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-01 09:46:47,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 09:46:47,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397145380] [2024-11-01 09:46:47,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 09:46:47,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 09:46:47,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 09:46:47,143 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 09:46:47,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 09:46:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 09:46:47,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-01 09:46:47,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 09:46:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 09:46:48,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 09:46:54,156 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_5~0#1|))) (and (or .cse0 (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|)))))) (and (forall ((|ULTIMATE.start_main_~state_16~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse3)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~state_16~0#1|)))))))))))))))))))))) (forall ((|ULTIMATE.start_main_~state_16~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse3)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~state_16~0#1|)))) .cse2))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|))))))))))) (or (not .cse0) (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse2))))))))))))) (_ bv0 8)))))) is different from false [2024-11-01 09:47:00,964 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse49 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_14~0#1|)) (.cse36 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_16~0#1|))) (let ((.cse28 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_20~0#1|)) (.cse26 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_22~0#1|)) (.cse22 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|)) (.cse33 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_26~0#1|)) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_5~0#1|)) (.cse20 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_28~0#1|)) (.cse48 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse36)))) (.cse47 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse49))))) (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 .cse36)))) (.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse48 .cse49)))) (.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse20)))) (.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse7)))) (.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse33)))) (.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse22)))) (.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse26)))) (.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse28)))) (.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 .cse48))))) (let ((.cse39 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|)) (.cse4 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse42 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_18~0#1|))) (let ((.cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse42))))) (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse43 .cse35))))) (let ((.cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 .cse44))))) (let ((.cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse41 .cse27))))) (let ((.cse46 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse45))))) (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse46 .cse23))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse17))) .cse7))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse40 .cse20)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse41 .cse26))))))))) .cse17))) .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 .cse35))) .cse30))))))))) .cse23))) .cse17))) .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse43 .cse31)))))) .cse27)))))) .cse23)))))) .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 .cse43)))))) .cse27)))))) .cse23))) .cse17))) .cse19))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse28 .cse44))) .cse27))))))))) .cse17))) .cse19))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse45))) .cse23))) .cse17))) .cse19)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse33 .cse46))) .cse17))) .cse19)))))))))))))))))))))))) (let ((.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse3 (not .cse4)) (.cse6 ((_ zero_extend 24) ((_ extract 7 0) .cse39)))) (and (or (not .cse0) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse7)))) (and (or (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse1))))))))))) .cse2)) (_ bv0 8))) .cse3) (or .cse4 (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse6))))) (and (forall ((v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) v_subst_1) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse5))))))))) .cse1))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|)))) .cse2)))) (forall ((v_subst_2 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse5)))))) ((_ zero_extend 24) v_subst_2)))))))))))))))))))))))))))) (or .cse0 (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) .cse6))) (.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse39))))) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse37))))))))) .cse7)))))) (.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse15))))))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse38 (_ bv1 32)))))))) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse38 (_ bv0 32)))))))) (.cse9 (= |c_ULTIMATE.start_main_~state_18~0#1| (_ bv0 8))) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse8))))))))))) .cse2))))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse37)))))))))))))))) (and (or .cse4 (and (forall ((|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) v_subst_1) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))))))))) (_ bv1 32))))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|)))))))) (forall ((v_subst_2 (_ BitVec 8)) (|ULTIMATE.start_main_~input_3~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_3~0#1|)))))))))) (_ bv0 32))))))) ((_ zero_extend 24) v_subst_2)))) .cse8))))))))))))))))))) .cse9) (or .cse10 .cse3) (or .cse4 (and (forall ((v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) v_subst_1)))) .cse12)))))))))))))))))) (forall ((v_subst_2 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) v_subst_2)))) .cse12)))))))))))))))))))) (or .cse4 (and (forall ((v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) v_subst_1)))) .cse8))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|)))))))) (forall ((v_subst_2 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) v_subst_2)))) .cse8))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|)))))) (_ bv0 8))))) (or (not .cse9) (let ((.cse16 (= ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse35))))) (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 .cse29))))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 .cse27))))) (let ((.cse34 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 .cse21))))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 .cse34))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse17 .cse18)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 .cse20)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 .cse22))) .cse23))) .cse17))) .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 .cse26)))))) .cse23))) .cse17)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse28 .cse29)))))))))))) .cse17)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse31)))))) .cse27))) .cse24))) .cse23))) .cse17)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse32 (_ bv255 32)))) .cse30))) .cse27))))))))) .cse17))))))))) (_ bv0 32))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse33 .cse34))) .cse17))) .cse19))))))))))))))))))) (_ bv0 8)))) (and (or (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse15))))) (and (forall ((v_subst_2 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) v_subst_2) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse14))))))))) .cse8))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|)))))))) (forall ((v_subst_1 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) v_subst_1) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) .cse14))))))))) .cse8)))))))))))))))) (_ bv0 8))))) .cse16) (or .cse10 (not .cse16))))) (or (forall ((|v_ULTIMATE.start_main_~var_12_arg_0~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_12_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse12))))))))))) .cse2)))) .cse3)))))))))))) is different from false [2024-11-01 09:47:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2024-11-01 09:47:02,051 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 09:47:02,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397145380] [2024-11-01 09:47:02,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1397145380] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 09:47:02,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 09:47:02,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 09:47:02,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508813830] [2024-11-01 09:47:02,052 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 09:47:02,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 09:47:02,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 09:47:02,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 09:47:02,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=38, Unknown=2, NotChecked=26, Total=90 [2024-11-01 09:47:02,053 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 09:47:02,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 09:47:02,413 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2024-11-01 09:47:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 09:47:02,414 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11 [2024-11-01 09:47:02,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 09:47:02,414 INFO L225 Difference]: With dead ends: 18 [2024-11-01 09:47:02,415 INFO L226 Difference]: Without dead ends: 16 [2024-11-01 09:47:02,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=48, Invalid=68, Unknown=2, NotChecked=38, Total=156 [2024-11-01 09:47:02,416 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 09:47:02,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 29 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 18 Unchecked, 0.1s Time] [2024-11-01 09:47:02,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-01 09:47:02,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-01 09:47:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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 09:47:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-01 09:47:02,420 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2024-11-01 09:47:02,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 09:47:02,420 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-01 09:47:02,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 09:47:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-01 09:47:02,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-01 09:47:02,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 09:47:02,421 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-01 09:47:02,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-01 09:47:02,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 09:47:02,623 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 09:47:02,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 09:47:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 3 times [2024-11-01 09:47:02,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 09:47:02,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47161784] [2024-11-01 09:47:02,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 09:47:02,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 09:47:02,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 09:47:02,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 09:47:02,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 09:47:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 09:47:03,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-01 09:47:03,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 09:47:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 09:47:04,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 09:47:08,581 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 09:47:08,582 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 09:47:08,582 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 09:47:08,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47161784] [2024-11-01 09:47:08,583 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-01 09:47:08,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-01 09:47:08,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 09:47:08,784 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2024-11-01 09:47:08,788 INFO L158 Benchmark]: Toolchain (without parser) took 31097.91ms. Allocated memory was 197.1MB in the beginning and 309.3MB in the end (delta: 112.2MB). Free memory was 172.5MB in the beginning and 118.7MB in the end (delta: 53.9MB). Peak memory consumption was 167.1MB. Max. memory is 8.0GB. [2024-11-01 09:47:08,788 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 197.1MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 09:47:08,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.30ms. Allocated memory is still 197.1MB. Free memory was 172.0MB in the beginning and 141.6MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2024-11-01 09:47:08,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.15ms. Allocated memory is still 197.1MB. Free memory was 141.6MB in the beginning and 135.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-11-01 09:47:08,789 INFO L158 Benchmark]: Boogie Preprocessor took 130.59ms. Allocated memory is still 197.1MB. Free memory was 135.3MB in the beginning and 128.5MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2024-11-01 09:47:08,789 INFO L158 Benchmark]: RCFGBuilder took 1000.77ms. Allocated memory was 197.1MB in the beginning and 251.7MB in the end (delta: 54.5MB). Free memory was 128.5MB in the beginning and 153.8MB in the end (delta: -25.3MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. [2024-11-01 09:47:08,790 INFO L158 Benchmark]: TraceAbstraction took 29305.49ms. Allocated memory was 251.7MB in the beginning and 309.3MB in the end (delta: 57.7MB). Free memory was 153.3MB in the beginning and 118.7MB in the end (delta: 34.6MB). Peak memory consumption was 93.8MB. Max. memory is 8.0GB. [2024-11-01 09:47:08,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 197.1MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 564.30ms. Allocated memory is still 197.1MB. Free memory was 172.0MB in the beginning and 141.6MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 88.15ms. Allocated memory is still 197.1MB. Free memory was 141.6MB in the beginning and 135.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 130.59ms. Allocated memory is still 197.1MB. Free memory was 135.3MB in the beginning and 128.5MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1000.77ms. Allocated memory was 197.1MB in the beginning and 251.7MB in the end (delta: 54.5MB). Free memory was 128.5MB in the beginning and 153.8MB in the end (delta: -25.3MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. * TraceAbstraction took 29305.49ms. Allocated memory was 251.7MB in the beginning and 309.3MB in the end (delta: 57.7MB). Free memory was 153.3MB in the beginning and 118.7MB in the end (delta: 34.6MB). Peak memory consumption was 93.8MB. 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...