/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.arbitrated_top_n4_w16_d32_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 03:56:14,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 03:56:14,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 03:56:14,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 03:56:14,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 03:56:14,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 03:56:14,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 03:56:14,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 03:56:14,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 03:56:14,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 03:56:14,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 03:56:14,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 03:56:14,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 03:56:14,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 03:56:14,821 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 03:56:14,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 03:56:14,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 03:56:14,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 03:56:14,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 03:56:14,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 03:56:14,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 03:56:14,825 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 03:56:14,825 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 03:56:14,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 03:56:14,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 03:56:14,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 03:56:14,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 03:56:14,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 03:56:14,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 03:56:14,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 03:56:14,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 03:56:14,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 03:56:14,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 03:56:14,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 03:56:14,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 03:56:14,828 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 03:56:14,831 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 03:56:14,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 03:56:14,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 03:56:14,831 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 03:56:14,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 03:56:14,832 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 03:56:14,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:56:15,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 03:56:15,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 03:56:15,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 03:56:15,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 03:56:15,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 03:56:15,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c [2024-11-01 03:56:16,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 03:56:16,677 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 03:56:16,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c [2024-11-01 03:56:16,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9022a92/8d2c0e1147dc4361ba791963ad348b4f/FLAG339a93a07 [2024-11-01 03:56:16,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9022a92/8d2c0e1147dc4361ba791963ad348b4f [2024-11-01 03:56:16,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 03:56:16,933 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 03:56:16,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 03:56:16,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 03:56:16,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 03:56:16,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:56:16" (1/1) ... [2024-11-01 03:56:16,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cbac2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:16, skipping insertion in model container [2024-11-01 03:56:16,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:56:16" (1/1) ... [2024-11-01 03:56:17,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 03:56:17,215 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c[1271,1284] [2024-11-01 03:56:17,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 03:56:17,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 03:56:17,630 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c[1271,1284] [2024-11-01 03:56:17,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 03:56:17,851 INFO L204 MainTranslator]: Completed translation [2024-11-01 03:56:17,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17 WrapperNode [2024-11-01 03:56:17,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 03:56:17,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 03:56:17,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 03:56:17,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 03:56:17,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:17,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,049 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5068 [2024-11-01 03:56:18,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 03:56:18,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 03:56:18,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 03:56:18,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 03:56:18,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,240 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-01 03:56:18,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 03:56:18,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 03:56:18,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 03:56:18,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 03:56:18,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (1/1) ... [2024-11-01 03:56:18,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 03:56:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:56:18,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 03:56:18,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 03:56:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 03:56:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 03:56:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 03:56:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 03:56:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 03:56:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 03:56:18,954 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 03:56:18,956 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 03:56:22,138 INFO L? ?]: Removed 1538 outVars from TransFormulas that were not future-live. [2024-11-01 03:56:22,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 03:56:22,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 03:56:22,148 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 03:56:22,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:56:22 BoogieIcfgContainer [2024-11-01 03:56:22,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 03:56:22,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 03:56:22,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 03:56:22,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 03:56:22,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:56:16" (1/3) ... [2024-11-01 03:56:22,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba52621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:56:22, skipping insertion in model container [2024-11-01 03:56:22,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:56:17" (2/3) ... [2024-11-01 03:56:22,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba52621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:56:22, skipping insertion in model container [2024-11-01 03:56:22,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:56:22" (3/3) ... [2024-11-01 03:56:22,156 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w16_d32_e0.c [2024-11-01 03:56:22,168 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 03:56:22,168 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 03:56:22,216 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 03:56:22,223 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;@70f360af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 03:56:22,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 03:56:22,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-01 03:56:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-01 03:56:22,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 03:56:22,235 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 03:56:22,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 03:56:22,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 03:56:22,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1644883339, now seen corresponding path program 1 times [2024-11-01 03:56:22,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 03:56:22,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665349701] [2024-11-01 03:56:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 03:56:22,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:56:22,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:56:22,251 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) [2024-11-01 03:56:22,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-01 03:56:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 03:56:23,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-01 03:56:23,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 03:56:23,507 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-01 03:56:23,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 03:56:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-01 03:56:23,564 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 03:56:23,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665349701] [2024-11-01 03:56:23,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1665349701] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 03:56:23,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 03:56:23,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-01 03:56:23,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457862789] [2024-11-01 03:56:23,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 03:56:23,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-01 03:56:23,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 03:56:23,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-01 03:56:23,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-01 03:56:23,591 INFO L87 Difference]: Start difference. First operand has 40 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-01 03:56:23,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 03:56:23,609 INFO L93 Difference]: Finished difference Result 75 states and 117 transitions. [2024-11-01 03:56:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-01 03:56:23,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2024-11-01 03:56:23,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 03:56:23,616 INFO L225 Difference]: With dead ends: 75 [2024-11-01 03:56:23,616 INFO L226 Difference]: Without dead ends: 37 [2024-11-01 03:56:23,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-01 03:56:23,621 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 03:56:23,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 03:56:23,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-01 03:56:23,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-01 03:56:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-01 03:56:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2024-11-01 03:56:23,654 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 83 [2024-11-01 03:56:23,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 03:56:23,654 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-11-01 03:56:23,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-01 03:56:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-01 03:56:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-01 03:56:23,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 03:56:23,657 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 03:56:23,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-01 03:56:23,858 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 [2024-11-01 03:56:23,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 03:56:23,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 03:56:23,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1385434447, now seen corresponding path program 1 times [2024-11-01 03:56:23,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 03:56:23,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071455632] [2024-11-01 03:56:23,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 03:56:23,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:56:23,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:56:23,861 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) [2024-11-01 03:56:23,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-01 03:56:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 03:56:24,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-01 03:56:24,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 03:56:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-01 03:56:25,221 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 03:56:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-01 03:56:25,780 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 03:56:25,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071455632] [2024-11-01 03:56:25,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2071455632] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 03:56:25,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 03:56:25,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-01 03:56:25,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945600388] [2024-11-01 03:56:25,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 03:56:25,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-01 03:56:25,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 03:56:25,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-01 03:56:25,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-01 03:56:25,784 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand has 11 states, 9 states have (on average 4.666666666666667) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-01 03:56:26,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 03:56:26,537 INFO L93 Difference]: Finished difference Result 67 states and 92 transitions. [2024-11-01 03:56:26,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 03:56:26,537 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.666666666666667) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 4 states have call successors, (26) Word has length 83 [2024-11-01 03:56:26,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 03:56:26,539 INFO L225 Difference]: With dead ends: 67 [2024-11-01 03:56:26,539 INFO L226 Difference]: Without dead ends: 65 [2024-11-01 03:56:26,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-01 03:56:26,540 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-01 03:56:26,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 80 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-01 03:56:26,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-01 03:56:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-01 03:56:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-01 03:56:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2024-11-01 03:56:26,552 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 83 [2024-11-01 03:56:26,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 03:56:26,553 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2024-11-01 03:56:26,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.666666666666667) internal successors, (42), 11 states have internal predecessors, (42), 4 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-01 03:56:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2024-11-01 03:56:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-01 03:56:26,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 03:56:26,555 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-01 03:56:26,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-01 03:56:26,755 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 [2024-11-01 03:56:26,756 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 03:56:26,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 03:56:26,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2082684701, now seen corresponding path program 1 times [2024-11-01 03:56:26,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 03:56:26,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052941830] [2024-11-01 03:56:26,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 03:56:26,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:56:26,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:56:26,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 03:56:26,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-01 03:56:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 03:56:28,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 3617 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-01 03:56:28,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 03:56:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 24 proven. 79 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-01 03:56:29,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 03:56:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 24 proven. 79 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-01 03:56:33,010 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 03:56:33,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052941830] [2024-11-01 03:56:33,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2052941830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 03:56:33,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 03:56:33,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-11-01 03:56:33,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742857417] [2024-11-01 03:56:33,011 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 03:56:33,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-01 03:56:33,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 03:56:33,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-01 03:56:33,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-01 03:56:33,013 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 17 states, 15 states have (on average 4.933333333333334) internal successors, (74), 17 states have internal predecessors, (74), 8 states have call successors, (52), 1 states have call predecessors, (52), 2 states have return successors, (52), 6 states have call predecessors, (52), 8 states have call successors, (52) [2024-11-01 03:56:34,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 03:56:34,723 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2024-11-01 03:56:34,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-01 03:56:34,723 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.933333333333334) internal successors, (74), 17 states have internal predecessors, (74), 8 states have call successors, (52), 1 states have call predecessors, (52), 2 states have return successors, (52), 6 states have call predecessors, (52), 8 states have call successors, (52) Word has length 164 [2024-11-01 03:56:34,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 03:56:34,725 INFO L225 Difference]: With dead ends: 96 [2024-11-01 03:56:34,725 INFO L226 Difference]: Without dead ends: 94 [2024-11-01 03:56:34,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2024-11-01 03:56:34,727 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 11 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-01 03:56:34,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 253 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-01 03:56:34,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-01 03:56:34,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-01 03:56:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-01 03:56:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2024-11-01 03:56:34,738 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 164 [2024-11-01 03:56:34,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 03:56:34,739 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2024-11-01 03:56:34,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.933333333333334) internal successors, (74), 17 states have internal predecessors, (74), 8 states have call successors, (52), 1 states have call predecessors, (52), 2 states have return successors, (52), 6 states have call predecessors, (52), 8 states have call successors, (52) [2024-11-01 03:56:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2024-11-01 03:56:34,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-01 03:56:34,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 03:56:34,742 INFO L215 NwaCegarLoop]: trace histogram [39, 39, 39, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-01 03:56:34,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-01 03:56:34,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:56:34,942 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 03:56:34,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 03:56:34,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1116181263, now seen corresponding path program 2 times [2024-11-01 03:56:34,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 03:56:34,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085252423] [2024-11-01 03:56:34,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 03:56:34,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 03:56:34,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 03:56:34,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 03:56:34,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-01 03:56:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 03:56:37,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 5381 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-01 03:56:37,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 03:57:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3049 backedges. 264 proven. 241 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2024-11-01 03:57:04,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 03:57:24,339 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse18 (= |c_ULTIMATE.start_main_~state_695~0#1| (_ bv0 8)))) (let ((.cse16 (or (forall ((|v_ULTIMATE.start_main_~var_727_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_727_arg_1~0#1_17|)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|)))))))) .cse18)) (.cse15 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_599~0#1|)) (.cse17 (not .cse18))) (let ((.cse1 (= |c_ULTIMATE.start_main_~input_11~0#1| (_ bv0 8))) (.cse11 (and .cse16 (or (forall ((|v_ULTIMATE.start_main_~var_605_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_602_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_621_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_605_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_602_arg_1~0#1_17|) .cse15)))))) (_ bv255 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_621_arg_1~0#1_17|)))))))))))))))) .cse17))) (.cse5 (and .cse16 (or .cse17 (forall ((|v_ULTIMATE.start_main_~var_605_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_602_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_621_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_621_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_605_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_602_arg_1~0#1_17|) .cse15)))))) (_ bv254 32))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|))))))))))) (.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_170~0#1|))) (let ((.cse0 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_623~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_701~0#1|))) (.cse2 (and (or .cse11 (forall ((|v_ULTIMATE.start_main_~var_614_arg_1~0#1_17| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_614_arg_1~0#1_17|)))))) (_ bv0 32))))) (or .cse5 (forall ((|v_ULTIMATE.start_main_~var_614_arg_1~0#1_17| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_614_arg_1~0#1_17|)))))) (_ bv0 32)))))) (.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_155~0#1|))))) (.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_603~0#1|)) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse15)))) (.cse12 (not .cse1))) (and (or .cse0 (and (or .cse1 .cse2 (forall ((|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))))))) .cse3))) .cse4)))))) (or (and (or .cse5 (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (let ((.cse6 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse6)))))) .cse3))) .cse4)))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse9))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse6))))))))))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse10)))))) .cse3))) .cse4)))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse9))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse10))))))))))))))))) .cse11)) .cse12))) (or (not .cse0) (and (or .cse1 .cse2 (forall ((|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|)))))))))))))))) (or (and (or .cse5 (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (let ((.cse13 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse13))))))))))))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse9))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse13))))))))))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse14))))))))))))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse9))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse4 .cse14))))))))))))))))) .cse11)) .cse12)))))))) is different from false [2024-11-01 03:57:38,335 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse19 (= |c_ULTIMATE.start_main_~state_695~0#1| (_ bv0 8)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_155~0#1|))))) (.cse17 (or (forall ((|v_ULTIMATE.start_main_~var_727_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_727_arg_1~0#1_17|)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|)))))))) .cse19)) (.cse16 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_599~0#1|)) (.cse18 (not .cse19))) (let ((.cse9 (and .cse17 (or (forall ((|v_ULTIMATE.start_main_~var_605_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_602_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_621_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_605_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_602_arg_1~0#1_17|) .cse16)))))) (_ bv255 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_621_arg_1~0#1_17|)))))))))))))))) .cse18))) (.cse1 (and .cse17 (or .cse18 (forall ((|v_ULTIMATE.start_main_~var_605_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_602_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_621_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_621_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_605_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_602_arg_1~0#1_17|) .cse16)))))) (_ bv254 32))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|))))))))))) (.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_170~0#1|)) (.cse15 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 (_ bv0 32))))))))) (.cse14 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_695~0#1|)) (.cse13 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 (_ bv1 32)))))))))) (let ((.cse0 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_623~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_701~0#1|))) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_603~0#1|)) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse16)))) (.cse10 (and .cse15 (or (not (= (_ bv0 32) .cse14)) .cse13))) (.cse11 (and (or .cse9 (forall ((|v_ULTIMATE.start_main_~var_614_arg_1~0#1_17| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_614_arg_1~0#1_17|)))))) (_ bv0 32))))) (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_614_arg_1~0#1_17| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_614_arg_1~0#1_17|)))))) (_ bv0 32)))))) (.cse12 (and (or .cse13 (forall ((|ULTIMATE.start_main_~input_11~0#1| (_ BitVec 8))) (or (= (_ bv0 8) |ULTIMATE.start_main_~input_11~0#1|) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~input_11~0#1|) .cse14))))) (or .cse15 (forall ((|ULTIMATE.start_main_~input_11~0#1| (_ BitVec 8))) (or (= (_ bv0 8) |ULTIMATE.start_main_~input_11~0#1|) (= ((_ zero_extend 24) |ULTIMATE.start_main_~input_11~0#1|) .cse14))))))) (and (or (not .cse0) (and (or (and (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))))))))))))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse7))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 .cse4))))))))))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (let ((.cse8 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse8))))))))))))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse7))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 .cse8))))))))))))))))) .cse9)) .cse10) (or .cse11 (forall ((|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))))))))))))))) .cse12))) (or .cse0 (and (or (and (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse7))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|)))))))))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse7))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|)))))))))))))))) .cse9)) .cse10) (or .cse11 .cse12 (forall ((|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))))))) .cse3))) .cse2))))))))))))) is different from false [2024-11-01 03:57:46,360 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse19 (= |c_ULTIMATE.start_main_~state_695~0#1| (_ bv0 8)))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_155~0#1|))))) (.cse17 (or (forall ((|v_ULTIMATE.start_main_~var_727_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_727_arg_1~0#1_17|)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|)))))))) .cse19)) (.cse16 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_599~0#1|)) (.cse18 (not .cse19))) (let ((.cse9 (and .cse17 (or (forall ((|v_ULTIMATE.start_main_~var_605_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_602_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_621_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_605_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_602_arg_1~0#1_17|) .cse16)))))) (_ bv255 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_621_arg_1~0#1_17|)))))))))))))))) .cse18))) (.cse1 (and .cse17 (or .cse18 (forall ((|v_ULTIMATE.start_main_~var_605_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_602_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_621_arg_1~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_730_arg_0~0#1_18| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_621_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_605_arg_1~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_602_arg_1~0#1_17|) .cse16)))))) (_ bv254 32))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_730_arg_0~0#1_18|))))))))))) (.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_170~0#1|)) (.cse15 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 (_ bv0 32))))))))) (.cse14 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_695~0#1|)) (.cse13 (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 (_ bv1 32)))))))))) (let ((.cse0 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_623~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_701~0#1|))) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_603~0#1|)) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse16)))) (.cse10 (and .cse15 (or (not (= (_ bv0 32) .cse14)) .cse13))) (.cse11 (and (or .cse9 (forall ((|v_ULTIMATE.start_main_~var_614_arg_1~0#1_17| (_ BitVec 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_614_arg_1~0#1_17|)))))) (_ bv0 32))))) (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_614_arg_1~0#1_17| (_ BitVec 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_614_arg_1~0#1_17|)))))) (_ bv0 32)))))) (.cse12 (and (or .cse13 (forall ((|ULTIMATE.start_main_~input_11~0#1| (_ BitVec 8))) (or (= (_ bv0 8) |ULTIMATE.start_main_~input_11~0#1|) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~input_11~0#1|) .cse14))))) (or .cse15 (forall ((|ULTIMATE.start_main_~input_11~0#1| (_ BitVec 8))) (or (= (_ bv0 8) |ULTIMATE.start_main_~input_11~0#1|) (= ((_ zero_extend 24) |ULTIMATE.start_main_~input_11~0#1|) .cse14))))))) (and (or (not .cse0) (and (or (and (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))))))))))))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse7))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 .cse4))))))))))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (let ((.cse8 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))) (or (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse8))))))))))))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse7))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 .cse8))))))))))))))))) .cse9)) .cse10) (or .cse11 (forall ((|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|))))))))))))))) .cse12))) (or .cse0 (and (or (and (or .cse1 (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse7))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|)))))))))))))))) (or (forall ((|v_ULTIMATE.start_main_~var_608_arg_0~0#1_17| (_ BitVec 8)) (|ULTIMATE.start_main_~var_574~0#1| (_ BitVec 8))) (not (= (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_608_arg_0~0#1_17|) .cse7))))))))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~var_574~0#1|)))))))))))))))) .cse9)) .cse10) (or .cse11 .cse12)))))))) is different from false