/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 15:41:01,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 15:41:01,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 15:41:01,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 15:41:01,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 15:41:01,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 15:41:01,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 15:41:01,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 15:41:01,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 15:41:01,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 15:41:01,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 15:41:01,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 15:41:01,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 15:41:01,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 15:41:01,660 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 15:41:01,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 15:41:01,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 15:41:01,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 15:41:01,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 15:41:01,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 15:41:01,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 15:41:01,664 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 15:41:01,665 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 15:41:01,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 15:41:01,665 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 15:41:01,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 15:41:01,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 15:41:01,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 15:41:01,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 15:41:01,666 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 15:41:01,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 15:41:01,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 15:41:01,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 15:41:01,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 15:41:01,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 15:41:01,666 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 15:41:01,667 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 15:41:01,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 15:41:01,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 15:41:01,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 15:41:01,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 15:41:01,668 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:41:01,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 15:41:01,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 15:41:01,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 15:41:01,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 15:41:01,834 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 15:41:01,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal14.c [2024-11-04 15:41:03,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 15:41:03,309 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 15:41:03,309 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal14.c [2024-11-04 15:41:03,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1cfca48f/09c0bf43575644bf9de197ce49988b8f/FLAG07b4fbd90 [2024-11-04 15:41:03,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1cfca48f/09c0bf43575644bf9de197ce49988b8f [2024-11-04 15:41:03,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 15:41:03,332 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 15:41:03,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 15:41:03,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 15:41:03,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 15:41:03,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:03,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93b7b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03, skipping insertion in model container [2024-11-04 15:41:03,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:03,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 15:41:03,536 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.cal14.c[1245,1258] [2024-11-04 15:41:03,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 15:41:03,769 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 15:41:03,778 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.cal14.c[1245,1258] [2024-11-04 15:41:03,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 15:41:03,935 INFO L204 MainTranslator]: Completed translation [2024-11-04 15:41:03,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03 WrapperNode [2024-11-04 15:41:03,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 15:41:03,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 15:41:03,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 15:41:03,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 15:41:03,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:03,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,088 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1474 [2024-11-04 15:41:04,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 15:41:04,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 15:41:04,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 15:41:04,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 15:41:04,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,151 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]. [2024-11-04 15:41:04,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 15:41:04,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 15:41:04,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 15:41:04,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 15:41:04,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (1/1) ... [2024-11-04 15:41:04,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 15:41:04,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:41:04,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 15:41:04,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 15:41:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 15:41:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 15:41:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 15:41:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 15:41:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 15:41:04,498 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 15:41:04,500 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 15:41:05,936 INFO L? ?]: Removed 723 outVars from TransFormulas that were not future-live. [2024-11-04 15:41:05,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 15:41:05,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 15:41:05,943 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 15:41:05,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 03:41:05 BoogieIcfgContainer [2024-11-04 15:41:05,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 15:41:05,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 15:41:05,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 15:41:05,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 15:41:05,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 03:41:03" (1/3) ... [2024-11-04 15:41:05,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b9c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 03:41:05, skipping insertion in model container [2024-11-04 15:41:05,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:41:03" (2/3) ... [2024-11-04 15:41:05,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b9c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 03:41:05, skipping insertion in model container [2024-11-04 15:41:05,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 03:41:05" (3/3) ... [2024-11-04 15:41:05,948 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal14.c [2024-11-04 15:41:05,958 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 15:41:05,958 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 15:41:05,990 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 15:41:05,997 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;@7392a063, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 15:41:05,998 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 15:41:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 15:41:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-04 15:41:06,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:41:06,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-04 15:41:06,013 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:41:06,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:41:06,019 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-04 15:41:06,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:41:06,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521469250] [2024-11-04 15:41:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:41:06,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:41:06,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:41:06,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 15:41:06,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 15:41:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:41:06,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-04 15:41:06,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:41:06,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 15:41:06,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:41:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 15:41:06,734 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:41:06,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521469250] [2024-11-04 15:41:06,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [521469250] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 15:41:06,735 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 15:41:06,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 15:41:06,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200912458] [2024-11-04 15:41:06,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 15:41:06,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 15:41:06,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 15:41:06,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 15:41:06,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 15:41:06,755 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 15:41:07,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 15:41:07,101 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-04 15:41:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 15:41:07,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-04 15:41:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 15:41:07,108 INFO L225 Difference]: With dead ends: 18 [2024-11-04 15:41:07,108 INFO L226 Difference]: Without dead ends: 10 [2024-11-04 15:41:07,110 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 [2024-11-04 15:41:07,112 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 15:41:07,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 15:41:07,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-04 15:41:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-04 15:41:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 15:41:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-04 15:41:07,133 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-04 15:41:07,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 15:41:07,133 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-04 15:41:07,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 15:41:07,134 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-04 15:41:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-04 15:41:07,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:41:07,134 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-04 15:41:07,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 15:41:07,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:41:07,335 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:41:07,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:41:07,336 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-04 15:41:07,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:41:07,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62237144] [2024-11-04 15:41:07,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:41:07,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:41:07,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:41:07,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 15:41:07,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 15:41:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:41:08,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-04 15:41:08,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:41:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 15:41:08,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:41:17,336 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse42 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|))) (let ((.cse31 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse12 (= .cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 (_ bv252 32)))))) (.cse8 (= .cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 (_ bv254 32)))))) (.cse58 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_31~0#1|)))))) (.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_17~0#1|))) (let ((.cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse58)) .cse4)))) (.cse24 (not .cse8)) (.cse56 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse58 .cse4)))) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_299~0#1|)) (.cse15 (= .cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 (_ bv253 32)))))) (.cse28 (not .cse12)) (.cse32 (forall ((|v_ULTIMATE.start_main_~var_320_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_316_arg_0~0#1_11| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_320_arg_0~0#1_11|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_316_arg_0~0#1_11|)))))))))) .cse31)))))) (let ((.cse11 (or .cse28 .cse32)) (.cse13 (not .cse15)) (.cse29 (or .cse15 .cse32)) (.cse52 (= .cse56 .cse3)) (.cse9 (or .cse24 .cse32)) (.cse46 (= .cse3 .cse57)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_301~0#1|))) (let ((.cse44 (= .cse1 .cse57)) (.cse45 (not .cse46)) (.cse38 (and (or .cse8 .cse32) .cse9)) (.cse51 (= .cse56 .cse1)) (.cse53 (not .cse52)) (.cse34 (and (or .cse13 .cse32) .cse29)) (.cse36 (and (or .cse12 .cse32) .cse11)) (.cse41 (bvshl ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_279~0#1|) (_ bv2 32)))) (let ((.cse10 (or (and (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse41))))) .cse4))))) (or (= .cse54 .cse1) (not (= .cse54 .cse3))))) (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse4))))) (or (not (= .cse55 .cse3)) (= .cse55 .cse1))))) .cse32)) (.cse17 (or (not .cse51) (and (or .cse53 .cse34) (or .cse36 .cse52)))) (.cse18 (or .cse51 (and (or .cse38 .cse52) (or .cse53 .cse32)))) (.cse19 (or .cse44 (and (or .cse45 .cse32) (or .cse46 .cse38)))) (.cse20 (or .cse38 (and (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse49 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse41))))) .cse4))))) (or (= .cse49 .cse1) (= .cse49 .cse3)))) (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse4))))) (or (= .cse50 .cse3) (= .cse50 .cse1))))))) (.cse21 (or (and (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse47 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse4))))) (or (not (= .cse47 .cse1)) (not (= .cse47 .cse3))))) (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse48 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse41))))) .cse4))))) (or (not (= .cse48 .cse3)) (not (= .cse48 .cse1)))))) .cse34)) (.cse22 (or (not .cse44) (and (or .cse45 .cse34) (or .cse46 .cse36)))) (.cse23 (or (and (forall ((|v_ULTIMATE.start_main_~var_278_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_1~0#1_10|))))))))))) .cse4))))) (or (not (= .cse40 .cse1)) (= .cse40 .cse3)))) (forall ((|v_ULTIMATE.start_main_~var_278_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_278_arg_2~0#1_10|)))))) .cse41))))) .cse4))))) (or (= .cse43 .cse3) (not (= .cse43 .cse1)))))) .cse36)) (.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_34~0#1|))) (and (or .cse0 (let ((.cse6 (forall ((|v_ULTIMATE.start_main_~var_308_arg_1~0#1_10| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_308_arg_1~0#1_10|))))))))) .cse4))) .cse3))) (.cse25 (forall ((|v_ULTIMATE.start_main_~var_308_arg_1~0#1_10| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_308_arg_1~0#1_10|))))))))) .cse4))) .cse3))))) (let ((.cse5 (or .cse25 .cse32)) (.cse26 (or .cse6 .cse32))) (let ((.cse14 (and .cse5 .cse26)) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_320_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_316_arg_0~0#1_11| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_320_arg_0~0#1_11|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_316_arg_0~0#1_11|)))))))))) .cse31)))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_36_arg_1~0#1_10|))))))))) .cse4))))) (or (= .cse1 .cse2) (not (= .cse2 .cse3))))) (and .cse5 (or .cse6 (and (or .cse7 .cse8) .cse9)))) .cse10 (or (and (or (and .cse5 (or .cse6 (and .cse11 (or .cse7 .cse12)))) .cse13) (or .cse14 .cse15)) (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_36_arg_1~0#1_10|))))))))) .cse4))))) (or (not (= .cse1 .cse16)) (not (= .cse16 .cse3)))))) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (or (and (or .cse14 .cse24) (or (and (or .cse25 .cse7) .cse26) .cse8)) (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_36_arg_1~0#1_10|))))))))) .cse4))))) (or (= .cse1 .cse27) (= .cse27 .cse3))))) (or (and (or .cse14 .cse28) (or .cse12 (and (or .cse25 (and (or .cse7 .cse13) .cse29)) .cse26))) (forall ((|v_ULTIMATE.start_main_~var_36_arg_1~0#1_10| (_ BitVec 8))) (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_36_arg_1~0#1_10|))))))))) .cse4))))) (or (not (= .cse1 .cse30)) (= .cse30 .cse3)))))))))) (or (and (or (forall ((|v_ULTIMATE.start_main_~var_308_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_308_arg_2~0#1_10|))))))))) .cse4))))) (or (not (= .cse33 .cse3)) (not (= .cse33 .cse1))))) .cse34) .cse10 (or (forall ((|v_ULTIMATE.start_main_~var_308_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_308_arg_2~0#1_10|))))))))) .cse4))))) (or (= .cse35 .cse3) (not (= .cse35 .cse1))))) .cse36) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 (or (forall ((|v_ULTIMATE.start_main_~var_308_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_308_arg_2~0#1_10|))))))))) .cse4))))) (or (= .cse37 .cse1) (not (= .cse37 .cse3))))) .cse32) .cse23 (or .cse38 (forall ((|v_ULTIMATE.start_main_~var_308_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse39 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_308_arg_2~0#1_10|))))))))) .cse4))))) (or (= .cse39 .cse1) (= .cse39 .cse3)))))) (not .cse0))))))))) is different from false [2024-11-04 15:42:01,286 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-04 15:42:01,288 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:42:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62237144] [2024-11-04 15:42:01,288 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-04 15:42:01,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-04 15:42:01,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 15:42:01,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:42:01,493 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2024-11-04 15:42:01,496 INFO L158 Benchmark]: Toolchain (without parser) took 58164.06ms. Allocated memory was 206.6MB in the beginning and 755.0MB in the end (delta: 548.4MB). Free memory was 138.3MB in the beginning and 681.4MB in the end (delta: -543.0MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB. [2024-11-04 15:42:01,497 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-04 15:42:01,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.88ms. Allocated memory was 206.6MB in the beginning and 325.1MB in the end (delta: 118.5MB). Free memory was 138.1MB in the beginning and 274.3MB in the end (delta: -136.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2024-11-04 15:42:01,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.46ms. Allocated memory is still 325.1MB. Free memory was 274.3MB in the beginning and 262.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-04 15:42:01,497 INFO L158 Benchmark]: Boogie Preprocessor took 129.47ms. Allocated memory is still 325.1MB. Free memory was 262.2MB in the beginning and 248.1MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-04 15:42:01,498 INFO L158 Benchmark]: RCFGBuilder took 1724.31ms. Allocated memory is still 325.1MB. Free memory was 248.1MB in the beginning and 87.7MB in the end (delta: 160.4MB). Peak memory consumption was 170.3MB. Max. memory is 8.0GB. [2024-11-04 15:42:01,498 INFO L158 Benchmark]: TraceAbstraction took 55550.98ms. Allocated memory was 325.1MB in the beginning and 755.0MB in the end (delta: 429.9MB). Free memory was 86.7MB in the beginning and 681.4MB in the end (delta: -594.7MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-04 15:42:01,500 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 206.6MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 602.88ms. Allocated memory was 206.6MB in the beginning and 325.1MB in the end (delta: 118.5MB). Free memory was 138.1MB in the beginning and 274.3MB in the end (delta: -136.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 152.46ms. Allocated memory is still 325.1MB. Free memory was 274.3MB in the beginning and 262.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 129.47ms. Allocated memory is still 325.1MB. Free memory was 262.2MB in the beginning and 248.1MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1724.31ms. Allocated memory is still 325.1MB. Free memory was 248.1MB in the beginning and 87.7MB in the end (delta: 160.4MB). Peak memory consumption was 170.3MB. Max. memory is 8.0GB. * TraceAbstraction took 55550.98ms. Allocated memory was 325.1MB in the beginning and 755.0MB in the end (delta: 429.9MB). Free memory was 86.7MB in the beginning and 681.4MB in the end (delta: -594.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...