/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 15:17:50,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 15:17:51,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 15:17:51,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 15:17:51,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 15:17:51,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 15:17:51,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 15:17:51,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 15:17:51,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 15:17:51,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 15:17:51,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 15:17:51,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 15:17:51,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 15:17:51,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 15:17:51,068 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 15:17:51,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 15:17:51,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 15:17:51,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 15:17:51,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 15:17:51,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 15:17:51,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 15:17:51,075 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 15:17:51,075 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 15:17:51,075 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 15:17:51,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 15:17:51,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 15:17:51,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 15:17:51,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 15:17:51,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 15:17:51,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 15:17:51,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 15:17:51,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 15:17:51,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 15:17:51,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 15:17:51,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 15:17:51,077 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 15:17:51,077 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 15:17:51,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 15:17:51,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 15:17:51,078 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 15:17:51,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 15:17:51,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 15:17:51,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 15:17:51,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 15:17:51,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 15:17:51,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 15:17:51,277 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 15:17:51,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2024-11-05 15:17:52,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 15:17:52,645 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 15:17:52,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2024-11-05 15:17:52,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30eaa9b1e/24941097f2834ff7865812877cd377ad/FLAGb75b3fcab [2024-11-05 15:17:53,009 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30eaa9b1e/24941097f2834ff7865812877cd377ad [2024-11-05 15:17:53,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 15:17:53,012 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 15:17:53,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 15:17:53,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 15:17:53,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 15:17:53,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc6bb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53, skipping insertion in model container [2024-11-05 15:17:53,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 15:17:53,192 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.h_CRC.c[1245,1258] [2024-11-05 15:17:53,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 15:17:53,334 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 15:17:53,343 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.h_CRC.c[1245,1258] [2024-11-05 15:17:53,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 15:17:53,436 INFO L204 MainTranslator]: Completed translation [2024-11-05 15:17:53,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53 WrapperNode [2024-11-05 15:17:53,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 15:17:53,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 15:17:53,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 15:17:53,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 15:17:53,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,485 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 674 [2024-11-05 15:17:53,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 15:17:53,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 15:17:53,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 15:17:53,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 15:17:53,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,500 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,530 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-05 15:17:53,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 15:17:53,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 15:17:53,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 15:17:53,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 15:17:53,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (1/1) ... [2024-11-05 15:17:53,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 15:17:53,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 15:17:53,597 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) [2024-11-05 15:17:53,603 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 [2024-11-05 15:17:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 15:17:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 15:17:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 15:17:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 15:17:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 15:17:53,764 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 15:17:53,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 15:17:54,397 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-05 15:17:54,398 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 15:17:54,406 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 15:17:54,407 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 15:17:54,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:17:54 BoogieIcfgContainer [2024-11-05 15:17:54,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 15:17:54,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 15:17:54,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 15:17:54,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 15:17:54,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 03:17:53" (1/3) ... [2024-11-05 15:17:54,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738cee73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:17:54, skipping insertion in model container [2024-11-05 15:17:54,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:17:53" (2/3) ... [2024-11-05 15:17:54,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738cee73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:17:54, skipping insertion in model container [2024-11-05 15:17:54,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:17:54" (3/3) ... [2024-11-05 15:17:54,415 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_CRC.c [2024-11-05 15:17:54,427 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 15:17:54,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 15:17:54,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 15:17:54,475 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;@6e672d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 15:17:54,475 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 15:17:54,477 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) [2024-11-05 15:17:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-05 15:17:54,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 15:17:54,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-05 15:17:54,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 15:17:54,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 15:17:54,485 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-05 15:17:54,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 15:17:54,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458170978] [2024-11-05 15:17:54,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 15:17:54,492 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 15:17:54,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 15:17:54,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 15:17:54,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 15:17:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 15:17:54,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-05 15:17:54,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 15:17:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 15:17:54,765 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 15:17:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 15:17:54,853 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 15:17:54,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458170978] [2024-11-05 15:17:54,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1458170978] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 15:17:54,854 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 15:17:54,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 15:17:54,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901780915] [2024-11-05 15:17:54,856 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 15:17:54,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 15:17:54,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 15:17:54,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 15:17:54,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 15:17:54,875 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) [2024-11-05 15:17:54,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 15:17:54,933 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-05 15:17:54,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 15:17:54,935 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 [2024-11-05 15:17:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 15:17:54,940 INFO L225 Difference]: With dead ends: 18 [2024-11-05 15:17:54,940 INFO L226 Difference]: Without dead ends: 10 [2024-11-05 15:17:54,942 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 [2024-11-05 15:17:54,944 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 [2024-11-05 15:17:54,945 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] [2024-11-05 15:17:54,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-05 15:17:54,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-05 15:17:54,963 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) [2024-11-05 15:17:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-05 15:17:54,964 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-05 15:17:54,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 15:17:54,965 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-05 15:17:54,965 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) [2024-11-05 15:17:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-05 15:17:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-05 15:17:54,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 15:17:54,965 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-05 15:17:54,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-05 15:17:55,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 15:17:55,168 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 15:17:55,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 15:17:55,168 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-05 15:17:55,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 15:17:55,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751735587] [2024-11-05 15:17:55,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 15:17:55,169 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 15:17:55,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 15:17:55,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 15:17:55,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 15:17:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 15:17:55,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-05 15:17:55,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 15:17:57,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 15:17:57,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 15:18:04,141 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse8 (or (not (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) |c_ULTIMATE.start_main_~var_13~0#1|)) (forall ((|v_ULTIMATE.start_main_#t~nondet10#1_12| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet10#1_12|))))))) (.cse9 (forall ((|v_ULTIMATE.start_main_#t~nondet10#1_12| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet10#1_12|))))))) (.cse29 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse31 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_17~0#1|))) (let ((.cse1 (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) .cse31))))) (_ bv0 8))) (.cse10 (forall ((|v_ULTIMATE.start_main_#t~nondet6#1_12| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet6#1_12|)))))) (.cse7 (forall ((|v_ULTIMATE.start_main_#t~nondet9#1_12| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet9#1_12|))))))) (.cse5 (and .cse8 (or .cse9 (forall ((|v_ULTIMATE.start_main_#t~nondet8#1_12| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (bvor (bvshl |c_ULTIMATE.start_main_~state_11~0#1| (_ bv8 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet8#1_12|) .cse29))))))))))) (.cse6 (forall ((|v_ULTIMATE.start_main_#t~nondet9#1_12| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet9#1_12|)))))) (.cse4 (forall ((|v_ULTIMATE.start_main_#t~nondet6#1_12| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet6#1_12|))))))) (.cse3 (not (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand |c_ULTIMATE.start_main_~state_11~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)))) (.cse2 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse31))) .cse0)) (_ bv0 8)))) (and (or (forall ((|v_ULTIMATE.start_main_#t~nondet7#1_12| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet7#1_12|)))))) (and (or (and .cse1 (or .cse2 .cse3)) .cse4) (or (and (or (and .cse1 (or .cse5 .cse2)) .cse6) (or .cse7 (and .cse1 (or .cse2 (and .cse8 (or .cse9 .cse3)))))) .cse10))) (or (forall ((|v_ULTIMATE.start_main_#t~nondet7#1_12| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet7#1_12|))))) (and .cse1 (or (and (or .cse10 (and (or (and (or (forall ((|v_ULTIMATE.start_main_#t~nondet8#1_12| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv24 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet8#1_12|) .cse29)))))))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv5 32)))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv23 32))))))) (_ bv31 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_218~0#1| (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv4 32))))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv7 32)))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv22 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 .cse13)))))) (_ bv30 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_216~0#1| (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv3 32))))) (.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv6 32)))))) (bvor (bvand (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv2 32)))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 .cse14))) .cse15))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv20 32))))))) (_ bv28 32)) (bvand (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv1 32)))))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse22 .cse12))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse16)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv19 32))))))) (_ bv27 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_210~0#1| (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) .cse30)))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse23 .cse15))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse17 .cse18))) .cse13))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv18 32))))))) (_ bv26 32)) (bvand (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse17 .cse14))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv17 32)))) .cse19))) (_ bv25 32)) (bvand (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse16 .cse14))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv16 32)))) .cse20))) (_ bv24 32)) (bvand (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse22 .cse18))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv15 32)))) .cse21))) (_ bv23 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_200~0#1| (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv13 32))))))) (_ bv21 32)) (bvand (bvor (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv11 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 .cse17)))))) (_ bv19 32)) (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 .cse14)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv10 32))))))) (_ bv18 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_192~0#1| (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv9 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse22 .cse11))) .cse15)))))) (_ bv17 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_190~0#1| (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv8 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse23))))))))) (_ bv16 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_188~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_186~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse17))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse21 .cse14))) .cse13)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv4 32)))))))) (_ bv12 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_180~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse22 .cse23)))))) .cse13))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv3 32)))) .cse24)))) (_ bv11 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse23 .cse14))) .cse17))) .cse11))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv2 32)))) .cse25)))) (_ bv10 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_176~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse22 .cse14))) .cse13)))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_174~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse24 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_main_~state_11~0#1|)))))) (_ bv8 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 .cse25))) (_ bv7 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse26 .cse15)))))) (_ bv6 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_169~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 .cse15)))))) .cse13))) .cse17)))))) .cse23))) (_ bv5 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_165~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse27 (_ bv3 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 .cse18)))))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse28 .cse14))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_161~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse18))) (bvshl .cse28 (_ bv1 32)))))))))))) ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_163~0#1|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse15)))))) .cse14))) .cse23))) (_ bv4 32))))) ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_167~0#1|))))))))))))) ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_171~0#1|))))))) .cse29))))))))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv1 32)))) .cse26)))) (_ bv9 32))))))))))))) ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_178~0#1|)))))))))))))) ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_182~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse27 .cse11)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv5 32)))))))) (_ bv13 32)))))) ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_184~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse19 .cse13))) .cse15)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv6 32)))))))) (_ bv14 32)))))))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv7 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse17))))))))))))) (_ bv15 32))))))))))))) |c_ULTIMATE.start_main_~mask_SORT_194~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_196~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv12 32))))))) (_ bv20 32))) |c_ULTIMATE.start_main_~mask_SORT_198~0#1|))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv14 32)))) .cse23))) (_ bv22 32))) |c_ULTIMATE.start_main_~mask_SORT_202~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_204~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_206~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_208~0#1|)))))))) |c_ULTIMATE.start_main_~mask_SORT_212~0#1|))) |c_ULTIMATE.start_main_~mask_SORT_214~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv21 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse17 .cse15))))))))) (_ bv29 32))))))))))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse9) .cse8) .cse7) (or .cse5 .cse6))) (or .cse4 .cse3)) .cse2))))))) is different from false [2024-11-05 15:18:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-05 15:18:04,486 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 15:18:04,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751735587] [2024-11-05 15:18:04,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [751735587] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 15:18:04,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 15:18:04,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 15:18:04,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834830406] [2024-11-05 15:18:04,490 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 15:18:04,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 15:18:04,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 15:18:04,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 15:18:04,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=49, Unknown=1, NotChecked=14, Total=90 [2024-11-05 15:18:04,492 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2024-11-05 15:18:09,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 15:18:09,388 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-05 15:18:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 15:18:09,389 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2024-11-05 15:18:09,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 15:18:09,389 INFO L225 Difference]: With dead ends: 15 [2024-11-05 15:18:09,389 INFO L226 Difference]: Without dead ends: 13 [2024-11-05 15:18:09,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=50, Invalid=85, Unknown=1, NotChecked=20, Total=156 [2024-11-05 15:18:09,391 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 15:18:09,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 18 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 8 Unchecked, 0.5s Time] [2024-11-05 15:18:09,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-05 15:18:09,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-05 15:18:09,402 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) [2024-11-05 15:18:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-05 15:18:09,402 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-05 15:18:09,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 15:18:09,403 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-05 15:18:09,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2024-11-05 15:18:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-05 15:18:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-05 15:18:09,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 15:18:09,403 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-05 15:18:09,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-05 15:18:09,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 15:18:09,606 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 15:18:09,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 15:18:09,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-05 15:18:09,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 15:18:09,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169921833] [2024-11-05 15:18:09,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 15:18:09,607 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 15:18:09,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 15:18:09,611 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 15:18:09,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 15:18:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 15:18:09,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-05 15:18:09,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 15:18:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 15:18:32,440 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 15:18:54,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-05 15:18:54,953 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") [2024-11-05 15:18:54,956 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 15:18:54,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169921833] [2024-11-05 15:18:54,956 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-05 15:18:54,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 15:18:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 15:18:55,158 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 [2024-11-05 15:18:55,162 INFO L158 Benchmark]: Toolchain (without parser) took 62149.65ms. Allocated memory was 194.0MB in the beginning and 565.2MB in the end (delta: 371.2MB). Free memory was 158.4MB in the beginning and 433.7MB in the end (delta: -275.3MB). Peak memory consumption was 342.4MB. Max. memory is 8.0GB. [2024-11-05 15:18:55,162 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 15:18:55,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.40ms. Allocated memory is still 194.0MB. Free memory was 158.4MB in the beginning and 124.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2024-11-05 15:18:55,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.13ms. Allocated memory is still 194.0MB. Free memory was 124.8MB in the beginning and 118.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-11-05 15:18:55,163 INFO L158 Benchmark]: Boogie Preprocessor took 86.25ms. Allocated memory is still 194.0MB. Free memory was 118.6MB in the beginning and 111.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-11-05 15:18:55,163 INFO L158 Benchmark]: RCFGBuilder took 835.66ms. Allocated memory was 194.0MB in the beginning and 260.0MB in the end (delta: 66.1MB). Free memory was 111.9MB in the beginning and 196.5MB in the end (delta: -84.6MB). Peak memory consumption was 65.1MB. Max. memory is 8.0GB. [2024-11-05 15:18:55,163 INFO L158 Benchmark]: TraceAbstraction took 60750.12ms. Allocated memory was 260.0MB in the beginning and 565.2MB in the end (delta: 305.1MB). Free memory was 195.5MB in the beginning and 433.7MB in the end (delta: -238.2MB). Peak memory consumption was 312.0MB. Max. memory is 8.0GB. [2024-11-05 15:18:55,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 424.40ms. Allocated memory is still 194.0MB. Free memory was 158.4MB in the beginning and 124.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.13ms. Allocated memory is still 194.0MB. Free memory was 124.8MB in the beginning and 118.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 86.25ms. Allocated memory is still 194.0MB. Free memory was 118.6MB in the beginning and 111.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 835.66ms. Allocated memory was 194.0MB in the beginning and 260.0MB in the end (delta: 66.1MB). Free memory was 111.9MB in the beginning and 196.5MB in the end (delta: -84.6MB). Peak memory consumption was 65.1MB. Max. memory is 8.0GB. * TraceAbstraction took 60750.12ms. Allocated memory was 260.0MB in the beginning and 565.2MB in the end (delta: 305.1MB). Free memory was 195.5MB in the beginning and 433.7MB in the end (delta: -238.2MB). Peak memory consumption was 312.0MB. 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...