/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p22.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 22:52:03,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 22:52:03,549 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 22:52:03,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 22:52:03,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 22:52:03,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 22:52:03,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 22:52:03,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 22:52:03,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 22:52:03,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 22:52:03,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 22:52:03,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 22:52:03,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 22:52:03,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 22:52:03,590 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 22:52:03,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 22:52:03,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 22:52:03,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 22:52:03,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 22:52:03,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 22:52:03,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 22:52:03,592 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 22:52:03,592 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 22:52:03,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 22:52:03,593 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 22:52:03,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 22:52:03,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 22:52:03,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 22:52:03,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 22:52:03,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 22:52:03,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 22:52:03,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 22:52:03,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 22:52:03,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 22:52:03,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 22:52:03,595 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 22:52:03,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 22:52:03,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 22:52:03,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 22:52:03,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 22:52:03,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 22:52:03,599 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 22:52:03,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 22:52:03,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 22:52:03,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 22:52:03,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 22:52:03,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 22:52:03,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p22.c [2024-11-04 22:52:05,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 22:52:05,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 22:52:05,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p22.c [2024-11-04 22:52:05,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18643ca00/d22718fea8c44361a22a1d391fca3949/FLAGc8b210051 [2024-11-04 22:52:05,663 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18643ca00/d22718fea8c44361a22a1d391fca3949 [2024-11-04 22:52:05,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 22:52:05,669 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 22:52:05,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 22:52:05,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 22:52:05,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 22:52:05,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 10:52:05" (1/1) ... [2024-11-04 22:52:05,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c0e513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:05, skipping insertion in model container [2024-11-04 22:52:05,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 10:52:05" (1/1) ... [2024-11-04 22:52:05,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 22:52:05,886 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.vcegar_QF_BV_itc99_b13_p22.c[1266,1279] [2024-11-04 22:52:06,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 22:52:06,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 22:52:06,051 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.vcegar_QF_BV_itc99_b13_p22.c[1266,1279] [2024-11-04 22:52:06,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 22:52:06,162 INFO L204 MainTranslator]: Completed translation [2024-11-04 22:52:06,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06 WrapperNode [2024-11-04 22:52:06,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 22:52:06,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 22:52:06,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 22:52:06,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 22:52:06,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,217 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 468 [2024-11-04 22:52:06,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 22:52:06,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 22:52:06,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 22:52:06,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 22:52:06,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,266 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-04 22:52:06,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 22:52:06,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 22:52:06,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 22:52:06,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 22:52:06,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (1/1) ... [2024-11-04 22:52:06,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 22:52:06,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 22:52:06,347 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 22:52:06,351 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 22:52:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 22:52:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 22:52:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 22:52:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 22:52:06,518 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 22:52:06,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 22:52:06,841 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-04 22:52:06,842 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 22:52:06,853 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 22:52:06,854 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 22:52:06,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 10:52:06 BoogieIcfgContainer [2024-11-04 22:52:06,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 22:52:06,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 22:52:06,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 22:52:06,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 22:52:06,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 10:52:05" (1/3) ... [2024-11-04 22:52:06,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41793b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 10:52:06, skipping insertion in model container [2024-11-04 22:52:06,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:52:06" (2/3) ... [2024-11-04 22:52:06,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41793b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 10:52:06, skipping insertion in model container [2024-11-04 22:52:06,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 10:52:06" (3/3) ... [2024-11-04 22:52:06,863 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p22.c [2024-11-04 22:52:06,879 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 22:52:06,879 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 22:52:06,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 22:52:06,940 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;@1fd1eec6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 22:52:06,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 22:52:06,945 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 22:52:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-04 22:52:06,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 22:52:06,951 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-04 22:52:06,951 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 22:52:06,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 22:52:06,956 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-04 22:52:06,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 22:52:06,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945257689] [2024-11-04 22:52:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 22:52:06,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 22:52:06,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 22:52:06,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 22:52:06,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 22:52:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 22:52:07,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-04 22:52:07,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 22:52:07,409 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 22:52:07,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 22:52:07,593 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 22:52:07,594 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 22:52:07,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945257689] [2024-11-04 22:52:07,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1945257689] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 22:52:07,595 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 22:52:07,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 22:52:07,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027323580] [2024-11-04 22:52:07,598 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 22:52:07,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 22:52:07,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 22:52:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 22:52:07,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 22:52:07,628 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 22:52:07,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 22:52:07,690 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-04 22:52:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 22:52:07,693 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 22:52:07,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 22:52:07,699 INFO L225 Difference]: With dead ends: 18 [2024-11-04 22:52:07,699 INFO L226 Difference]: Without dead ends: 10 [2024-11-04 22:52:07,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-04 22:52:07,704 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 [2024-11-04 22:52:07,705 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] [2024-11-04 22:52:07,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-04 22:52:07,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-04 22:52:07,729 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 22:52:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-04 22:52:07,734 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-04 22:52:07,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 22:52:07,734 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-04 22:52:07,734 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 22:52:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-04 22:52:07,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-04 22:52:07,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 22:52:07,735 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-04 22:52:07,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 22:52:07,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 22:52:07,937 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 22:52:07,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 22:52:07,938 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-04 22:52:07,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 22:52:07,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035396255] [2024-11-04 22:52:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 22:52:07,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 22:52:07,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 22:52:07,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 22:52:07,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 22:52:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 22:52:08,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-04 22:52:08,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 22:52:08,417 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 22:52:08,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 22:52:23,640 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 22:52:23,641 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 22:52:23,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035396255] [2024-11-04 22:52:23,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1035396255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-04 22:52:23,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-04 22:52:23,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-04 22:52:23,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946593696] [2024-11-04 22:52:23,641 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-04 22:52:23,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-04 22:52:23,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 22:52:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-04 22:52:23,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=37, Unknown=1, NotChecked=0, Total=56 [2024-11-04 22:52:23,644 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 22:52:24,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 22:52:24,943 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-04 22:52:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 22:52:24,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-04 22:52:24,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 22:52:24,944 INFO L225 Difference]: With dead ends: 15 [2024-11-04 22:52:24,945 INFO L226 Difference]: Without dead ends: 13 [2024-11-04 22:52:24,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=33, Invalid=56, Unknown=1, NotChecked=0, Total=90 [2024-11-04 22:52:24,946 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-04 22:52:24,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-04 22:52:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-04 22:52:24,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-04 22:52:24,949 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) [2024-11-04 22:52:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-04 22:52:24,949 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-04 22:52:24,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 22:52:24,950 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-04 22:52:24,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-04 22:52:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-04 22:52:24,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-04 22:52:24,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 22:52:24,950 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-04 22:52:24,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 22:52:25,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 22:52:25,151 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 22:52:25,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 22:52:25,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-04 22:52:25,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 22:52:25,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850292385] [2024-11-04 22:52:25,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 22:52:25,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 22:52:25,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 22:52:25,157 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 22:52:25,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 22:52:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 22:52:25,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-04 22:52:25,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 22:52:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 22:52:30,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 22:52:43,175 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_8~0#1|))))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse9))))) (.cse8 (forall ((|v_ULTIMATE.start_main_~var_25_arg_0~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_20_arg_1~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_1~0#1_17|))))))))))))))) (.cse10 (forall ((|v_ULTIMATE.start_main_~var_25_arg_0~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_20_arg_1~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_1~0#1_17|)))))))))) .cse5))))) (.cse11 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_46~0#1|))) (let ((.cse2 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_23~0#1|)))))))))) (.cse0 (or (and (or .cse8 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))))))))))))) (or .cse10 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))))))))))))))) .cse11)) (.cse6 (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|)))) (.cse7 (or (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|))) .cse10)) (.cse1 (or (and (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))))))) (or .cse10 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))))))))) (not .cse11)))) (let ((.cse3 (and .cse0 .cse6 .cse7 .cse1)) (.cse4 (not .cse2))) (and (or (and (or (and .cse0 .cse1) .cse2) (or .cse3 .cse4)) (forall ((|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|))))))))))) (or (forall ((|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|))))))))))) (and (or .cse3 .cse2) (or (and .cse6 .cse7) .cse4)))))))) is different from false [2024-11-04 22:53:46,492 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse40 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_65~0#1|)) (.cse55 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_14~0#1|)) (.cse42 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse46 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_23~0#1|))))) (let ((.cse48 (= ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse46)))))) (_ bv0 8))) (.cse52 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_44~0#1|)) (.cse53 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) .cse55)))))) (.cse32 (not .cse40)) (.cse50 (= (_ bv0 32) .cse55)) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_25_arg_0~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_20_arg_1~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_1~0#1_17|))))))))))))))) (.cse8 (forall ((|v_ULTIMATE.start_main_~var_25_arg_0~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_20_arg_1~0#1_17| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_25_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_1~0#1_17|)))))))))) .cse42))))) (.cse49 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_8~0#1|))))))) (let ((.cse33 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_46~0#1|))))))))))) (.cse47 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse49))))) (.cse26 (and (or .cse7 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))))))))))))) (or .cse8 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|)))))))))))))))) (.cse29 (or (let ((.cse54 (forall ((|ULTIMATE.start_main_~input_101~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_101~0#1|))))))))))) (and (or .cse32 .cse54) (or .cse54 .cse40))) .cse50)) (.cse34 (or .cse52 .cse53)) (.cse37 (or (not .cse53) .cse52)) (.cse28 (not .cse52)) (.cse41 (or (let ((.cse51 (forall ((|ULTIMATE.start_main_~input_101~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_101~0#1|)))))))))))) (and (or .cse32 .cse51) (or .cse51 .cse40))) .cse50)) (.cse39 (not .cse48)) (.cse30 (not .cse50))) (let ((.cse11 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_46~0#1|)) (.cse35 (or (and (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse49 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))))))) (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse49 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))))))) (and .cse37 (or .cse28 (and .cse41 (or (and .cse32 .cse39) .cse30)))))) (.cse36 (or .cse26 (and (or .cse28 (and .cse29 (or .cse30 .cse48 .cse40))) .cse34))) (.cse45 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse47))))) (.cse31 (or .cse48 .cse40)) (.cse38 (or .cse32 (not .cse33))) (.cse43 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|)))) (.cse44 (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse47 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|)))))) (let ((.cse16 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse46))))))) (.cse13 (and .cse43 .cse44)) (.cse5 (and .cse37 (or .cse28 (and .cse41 (or .cse30 (and .cse38 .cse39)))))) (.cse9 (and .cse34 (or .cse28 (and .cse29 (or .cse30 (and .cse33 .cse31)))))) (.cse22 (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))))))))) (.cse23 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse45 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))))))) (.cse12 (and .cse35 .cse43 .cse44 .cse36)) (.cse4 (forall ((|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|)))))))))))) (.cse10 (forall ((|ULTIMATE.start_main_~state_15~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|))))))))))) (.cse14 (not .cse11)) (.cse6 (and (or .cse7 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ 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) |ULTIMATE.start_main_~input_4~0#1|))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))))))) (or .cse8 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ 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) |ULTIMATE.start_main_~input_4~0#1|))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))))))))) (.cse27 (and .cse37 (or (and (or .cse30 (and .cse38 (or .cse39 .cse40))) .cse41) .cse28)))) (let ((.cse2 (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ 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) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))))))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|)) .cse7)) (.cse3 (or .cse8 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ 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) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))))))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|))))) (.cse18 (or .cse6 .cse27)) (.cse17 (or (and (or .cse12 .cse4) (or .cse10 (and .cse35 .cse36))) .cse14)) (.cse20 (and (or .cse28 (and .cse29 (or .cse30 (and .cse31 (or .cse32 .cse33))))) .cse34)) (.cse0 (or (and .cse22 .cse23) .cse4)) (.cse1 (or .cse10 (and (or .cse13 .cse5) (or .cse26 .cse9) .cse22 .cse23))) (.cse15 (not .cse16))) (and (or (and (or (and .cse0 .cse1 (or (and (or (and .cse2 .cse3) .cse4) (or (and (or .cse5 .cse6) (or (and (or .cse7 (forall ((v_subst_2 (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ 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) v_subst_2))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|))) (or .cse8 (forall ((v_subst_1 (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ 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) v_subst_1))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|))))) .cse9) .cse2 .cse3) .cse10)) .cse11) (or (and (or .cse10 .cse12) (or .cse13 .cse4)) .cse14)) .cse15) (or .cse16 (and .cse17 (or (let ((.cse19 (or (and (or .cse8 (forall ((v_subst_3 (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ 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) v_subst_3))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))))))) (or .cse7 (forall ((v_subst_4 (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ 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) v_subst_4))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))))))) .cse20))) (and (or (and .cse18 .cse2 .cse3 .cse19) .cse4) (or (and .cse18 .cse19) .cse10))) .cse11)))) .cse10) (or (and (or (let ((.cse24 (or .cse13 .cse27)) (.cse25 (or .cse26 .cse20))) (and (or (let ((.cse21 (or (and (or .cse7 (forall ((v_subst_6 (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ 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) v_subst_6))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|)))) |c_ULTIMATE.start_main_~var_12~0#1|))) (or .cse8 (forall ((v_subst_5 (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ 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) v_subst_5))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))))))))) .cse20))) (and (or (and .cse18 .cse21 .cse2 .cse3) .cse4) (or (and .cse18 .cse21) .cse10))) .cse11) .cse17 (or (and .cse22 .cse23 .cse24 .cse25) .cse4) (or (and .cse24 .cse25) .cse10))) .cse16) (or (and .cse0 .cse1) .cse15)) .cse4)))))))) is different from false