/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 'cvc5 --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.h_CRC.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 03:48:38,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 03:48:38,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 03:48:38,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 03:48:38,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 03:48:38,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 03:48:38,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 03:48:38,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 03:48:38,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 03:48:38,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 03:48:38,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 03:48:38,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 03:48:38,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 03:48:38,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 03:48:38,115 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 03:48:38,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 03:48:38,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 03:48:38,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 03:48:38,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 03:48:38,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 03:48:38,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 03:48:38,120 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 03:48:38,120 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 03:48:38,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 03:48:38,121 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 03:48:38,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 03:48:38,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 03:48:38,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 03:48:38,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 03:48:38,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 03:48:38,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 03:48:38,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 03:48:38,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 03:48:38,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 03:48:38,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 03:48:38,123 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 03:48:38,123 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 03:48:38,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 03:48:38,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 03:48:38,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 03:48:38,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 03:48:38,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 03:48:38,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 03:48:38,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 03:48:38,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 03:48:38,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 03:48:38,369 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 03:48:38,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2024-11-05 03:48:39,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 03:48:39,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 03:48:39,975 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2024-11-05 03:48:39,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cb58559/4c54fe52197a4c6c8a49ef1290566be3/FLAGa1ecbb521 [2024-11-05 03:48:40,311 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cb58559/4c54fe52197a4c6c8a49ef1290566be3 [2024-11-05 03:48:40,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 03:48:40,314 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 03:48:40,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 03:48:40,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 03:48:40,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 03:48:40,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:40,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47648bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40, skipping insertion in model container [2024-11-05 03:48:40,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:40,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 03:48:40,548 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c[1245,1258] [2024-11-05 03:48:40,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 03:48:40,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 03:48:40,790 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c[1245,1258] [2024-11-05 03:48:40,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 03:48:40,953 INFO L204 MainTranslator]: Completed translation [2024-11-05 03:48:40,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40 WrapperNode [2024-11-05 03:48:40,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 03:48:40,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 03:48:40,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 03:48:40,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 03:48:40,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:40,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,027 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 674 [2024-11-05 03:48:41,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 03:48:41,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 03:48:41,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 03:48:41,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 03:48:41,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,082 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-05 03:48:41,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 03:48:41,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 03:48:41,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 03:48:41,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 03:48:41,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (1/1) ... [2024-11-05 03:48:41,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 03:48:41,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 03:48:41,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 03:48:41,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 03:48:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 03:48:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 03:48:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 03:48:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 03:48:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 03:48:41,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 03:48:41,417 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 03:48:42,297 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-05 03:48:42,298 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 03:48:42,312 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 03:48:42,312 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 03:48:42,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:48:42 BoogieIcfgContainer [2024-11-05 03:48:42,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 03:48:42,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 03:48:42,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 03:48:42,319 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 03:48:42,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 03:48:40" (1/3) ... [2024-11-05 03:48:42,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427a7151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:48:42, skipping insertion in model container [2024-11-05 03:48:42,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:48:40" (2/3) ... [2024-11-05 03:48:42,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@427a7151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:48:42, skipping insertion in model container [2024-11-05 03:48:42,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:48:42" (3/3) ... [2024-11-05 03:48:42,323 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_CRC.c [2024-11-05 03:48:42,338 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 03:48:42,338 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 03:48:42,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 03:48:42,401 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;@5a1c87da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 03:48:42,401 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 03:48:42,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 03:48:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-05 03:48:42,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:48:42,411 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-05 03:48:42,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:48:42,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:48:42,418 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-05 03:48:42,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:48:42,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279016015] [2024-11-05 03:48:42,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:48:42,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:48:42,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:48:42,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:48:42,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-05 03:48:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:48:42,690 WARN L253 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-05 03:48:42,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:48:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:48:43,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 03:48:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:48:43,251 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 03:48:43,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279016015] [2024-11-05 03:48:43,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [279016015] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 03:48:43,252 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 03:48:43,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 03:48:43,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068269314] [2024-11-05 03:48:43,254 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 03:48:43,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 03:48:43,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 03:48:43,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 03:48:43,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 03:48:43,282 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 03:48:43,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 03:48:43,367 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-05 03:48:43,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 03:48:43,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-05 03:48:43,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 03:48:43,377 INFO L225 Difference]: With dead ends: 18 [2024-11-05 03:48:43,377 INFO L226 Difference]: Without dead ends: 10 [2024-11-05 03:48:43,379 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 [2024-11-05 03:48:43,384 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 03:48:43,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 03:48:43,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-05 03:48:43,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-05 03:48:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 03:48:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-05 03:48:43,411 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-05 03:48:43,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 03:48:43,411 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-05 03:48:43,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 03:48:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-05 03:48:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-05 03:48:43,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:48:43,412 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-05 03:48:43,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-05 03:48:43,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 03:48:43,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:48:43,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:48:43,616 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-05 03:48:43,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:48:43,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086613278] [2024-11-05 03:48:43,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:48:43,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:48:43,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:48:43,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:48:43,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-05 03:48:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:48:43,908 WARN L253 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-05 03:48:43,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:48:47,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:48:47,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 03:49:05,313 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse8 (or (not (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) |c_ULTIMATE.start_main_~var_13~0#1|)) (forall ((|v_ULTIMATE.start_main_#t~nondet10#1_13| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet10#1_13|) .cse10)))))) (.cse7 (forall ((|v_ULTIMATE.start_main_#t~nondet10#1_13| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet10#1_13|) .cse10)))))) (.cse31 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_17~0#1|))) (let ((.cse1 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse31))) .cse10)) (_ bv0 8))) (.cse4 (forall ((|v_ULTIMATE.start_main_#t~nondet6#1_13| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet6#1_13|) .cse10))))) (.cse9 (forall ((|v_ULTIMATE.start_main_#t~nondet9#1_13| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet9#1_13|))))))) (.cse6 (and .cse8 (or (forall ((|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet8#1_13| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand (bvor (bvshl |c_ULTIMATE.start_main_~state_11~0#1| (_ bv8 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|) ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet8#1_13|))))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)))) .cse7))) (.cse5 (forall ((|v_ULTIMATE.start_main_#t~nondet9#1_13| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet9#1_13|)))))) (.cse3 (forall ((|v_ULTIMATE.start_main_#t~nondet6#1_13| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet6#1_13|) .cse10)))))) (.cse2 (not (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand |c_ULTIMATE.start_main_~state_11~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)))) (.cse0 (= ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) .cse31))))) (_ bv0 8)))) (and (or (and (or (and .cse0 (or .cse1 .cse2)) .cse3) (or .cse4 (and (or .cse5 (and (or .cse6 .cse1) .cse0)) (or (and (or (and (or .cse7 .cse2) .cse8) .cse1) .cse0) .cse9)))) (forall ((|v_ULTIMATE.start_main_#t~nondet7#1_13| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet7#1_13|))))))) (or (and (or .cse1 (and (or .cse4 (and (or .cse9 (and .cse8 (or .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet8#1_13| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (let ((.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|))) (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv24 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet8#1_13|))))))))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv5 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_218~0#1| (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv7 32))))) (.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv4 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_216~0#1| (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv3 32))))) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv6 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_214~0#1| (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv2 32)))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 .cse12))) .cse13))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv20 32))))))) (_ bv28 32)) (bvand (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse30 (_ bv1 32)))))) (let ((.cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse21))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_210~0#1| (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) .cse30)))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse19 .cse13))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv18 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 .cse16))))))))) (_ bv26 32)) (bvand (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 .cse15))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_206~0#1| (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse29 .cse11))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv16 32)))) .cse17))) (_ bv24 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_204~0#1| (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse16 .cse21))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv15 32))))))) (_ bv23 32)) (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv14 32))))))) (_ bv22 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_200~0#1| (bvor (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv12 32))))))) (_ bv20 32)) (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv11 32))))))) (_ bv19 32)) (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 .cse13)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv10 32))))))) (_ bv18 32)) (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 .cse21))) .cse13))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv9 32))))))) (_ bv17 32)) (bvand (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_188~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv6 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse22 .cse14))) .cse13)))))))))) (_ bv14 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_184~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 .cse17))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse23 .cse12))) .cse13))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv5 32)))))))) (_ bv13 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_182~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_180~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse19 .cse21)))))) .cse14))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv3 32)))) .cse24)))) (_ bv11 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 .cse19))) .cse15)))))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv2 32)))))))) (_ bv10 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_176~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 .cse21))) .cse14))) .cse12))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv1 32)))) .cse26)))) (_ bv9 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_174~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse24 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_main_~state_11~0#1|)))))) (_ bv8 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse25))) (_ bv7 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse26)))))) (_ bv6 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_169~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse13))) .cse12))) .cse14)))))) .cse21)))))) (_ bv5 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_167~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_165~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse16 .cse20)))))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse28 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 .cse16)))))) ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_161~0#1|)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 .cse28))) (_ bv2 32)))))) ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_163~0#1|)))) (bvshl .cse23 (_ bv3 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse14)))))))))))) (_ bv4 32))))))))))))))))) ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_171~0#1|))))))))))))))))))))))))))) ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_178~0#1|))))))))))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse18 .cse11))) .cse14))) .cse12))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv4 32)))))))) (_ bv12 32)))))))))))))))))) ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_186~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv7 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 .cse14))))))))))))) (_ bv15 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv8 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse19 .cse14))))))))) (_ bv16 32))) |c_ULTIMATE.start_main_~mask_SORT_190~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_192~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_194~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_196~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_198~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv13 32))))))) (_ bv21 32))))) |c_ULTIMATE.start_main_~mask_SORT_202~0#1|))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv17 32)))) .cse22))) (_ bv25 32)))) |c_ULTIMATE.start_main_~mask_SORT_208~0#1|))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv19 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse29 .cse14))) .cse12)))))) (_ bv27 32))))) |c_ULTIMATE.start_main_~mask_SORT_212~0#1|)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse15 .cse13))) .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv21 32))))))) (_ bv29 32))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse14))) ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv22 32))))))) (_ bv30 32))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv23 32)))) .cse12))) (_ bv31 32))))))))))))) (or .cse6 .cse5))) (or .cse3 .cse2))) .cse0) (forall ((|v_ULTIMATE.start_main_#t~nondet7#1_13| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet7#1_13|)))))))))) is different from false [2024-11-05 03:49:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-05 03:49:05,728 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 03:49:05,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086613278] [2024-11-05 03:49:05,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1086613278] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 03:49:05,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 03:49:05,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 03:49:05,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116681055] [2024-11-05 03:49:05,729 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 03:49:05,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 03:49:05,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 03:49:05,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 03:49:05,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=49, Unknown=1, NotChecked=14, Total=90 [2024-11-05 03:49:05,732 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 03:49:11,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 03:49:11,563 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-05 03:49:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 03:49:11,564 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-05 03:49:11,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 03:49:11,565 INFO L225 Difference]: With dead ends: 15 [2024-11-05 03:49:11,565 INFO L226 Difference]: Without dead ends: 13 [2024-11-05 03:49:11,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=50, Invalid=85, Unknown=1, NotChecked=20, Total=156 [2024-11-05 03:49:11,566 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-05 03:49:11,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 18 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 8 Unchecked, 0.6s Time] [2024-11-05 03:49:11,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-05 03:49:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-05 03:49:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 03:49:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-05 03:49:11,576 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-05 03:49:11,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 03:49:11,576 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-05 03:49:11,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 03:49:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-05 03:49:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-05 03:49:11,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:49:11,577 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-05 03:49:11,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-05 03:49:11,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 03:49:11,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:49:11,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:49:11,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-05 03:49:11,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:49:11,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486507088] [2024-11-05 03:49:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:49:11,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:49:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:49:11,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:49:11,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-05 03:49:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:49:12,152 WARN L253 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-05 03:49:12,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:49:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:49:42,183 INFO L311 TraceCheckSpWp]: Computing backward predicates...