/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-356b6ba-m [2024-11-01 13:16:42,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 13:16:42,132 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 13:16:42,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 13:16:42,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 13:16:42,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 13:16:42,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 13:16:42,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 13:16:42,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 13:16:42,157 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 13:16:42,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 13:16:42,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 13:16:42,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 13:16:42,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 13:16:42,158 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 13:16:42,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 13:16:42,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 13:16:42,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 13:16:42,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 13:16:42,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 13:16:42,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 13:16:42,162 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 13:16:42,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 13:16:42,163 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 13:16:42,163 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 13:16:42,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 13:16:42,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 13:16:42,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 13:16:42,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 13:16:42,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 13:16:42,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 13:16:42,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 13:16:42,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 13:16:42,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 13:16:42,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 13:16:42,165 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 13:16:42,165 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 13:16:42,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 13:16:42,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 13:16:42,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 13:16:42,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 13:16:42,169 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 13:16:42,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 13:16:42,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 13:16:42,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 13:16:42,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 13:16:42,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 13:16:42,481 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 13:16:42,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2024-11-01 13:16:43,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 13:16:43,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 13:16:43,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2024-11-01 13:16:43,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9518fe580/4ae18f39df6d42e7ab621bd6d29e01e3/FLAG63ba496a9 [2024-11-01 13:16:43,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9518fe580/4ae18f39df6d42e7ab621bd6d29e01e3 [2024-11-01 13:16:44,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 13:16:44,002 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 13:16:44,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 13:16:44,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 13:16:44,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 13:16:44,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:16:43" (1/1) ... [2024-11-01 13:16:44,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a2032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44, skipping insertion in model container [2024-11-01 13:16:44,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:16:43" (1/1) ... [2024-11-01 13:16:44,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 13:16:44,214 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.h_CRC.c[1245,1258] [2024-11-01 13:16:44,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 13:16:44,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 13:16:44,410 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.h_CRC.c[1245,1258] [2024-11-01 13:16:44,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 13:16:44,512 INFO L204 MainTranslator]: Completed translation [2024-11-01 13:16:44,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44 WrapperNode [2024-11-01 13:16:44,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 13:16:44,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 13:16:44,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 13:16:44,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 13:16:44,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,592 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 674 [2024-11-01 13:16:44,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 13:16:44,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 13:16:44,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 13:16:44,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 13:16:44,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,608 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,635 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]. [2024-11-01 13:16:44,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 13:16:44,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 13:16:44,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 13:16:44,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 13:16:44,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (1/1) ... [2024-11-01 13:16:44,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 13:16:44,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 13:16:44,714 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 13:16:44,716 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 13:16:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 13:16:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 13:16:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 13:16:44,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 13:16:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 13:16:44,870 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 13:16:44,871 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 13:16:45,592 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-01 13:16:45,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 13:16:45,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 13:16:45,603 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 13:16:45,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 01:16:45 BoogieIcfgContainer [2024-11-01 13:16:45,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 13:16:45,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 13:16:45,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 13:16:45,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 13:16:45,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 01:16:43" (1/3) ... [2024-11-01 13:16:45,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d53f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 01:16:45, skipping insertion in model container [2024-11-01 13:16:45,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:16:44" (2/3) ... [2024-11-01 13:16:45,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d53f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 01:16:45, skipping insertion in model container [2024-11-01 13:16:45,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 01:16:45" (3/3) ... [2024-11-01 13:16:45,610 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_CRC.c [2024-11-01 13:16:45,623 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 13:16:45,624 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 13:16:45,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 13:16:45,679 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;@44410644, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 13:16:45,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 13:16:45,684 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) [2024-11-01 13:16:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 13:16:45,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 13:16:45,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 13:16:45,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 13:16:45,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 13:16:45,695 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 13:16:45,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 13:16:45,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544203284] [2024-11-01 13:16:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 13:16:45,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 13:16:45,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 13:16:45,709 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) [2024-11-01 13:16:45,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 13:16:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 13:16:45,920 WARN L253 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-01 13:16:45,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 13:16:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 13:16:46,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 13:16:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 13:16:46,350 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 13:16:46,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544203284] [2024-11-01 13:16:46,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [544203284] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 13:16:46,351 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 13:16:46,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 13:16:46,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535110241] [2024-11-01 13:16:46,353 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 13:16:46,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 13:16:46,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 13:16:46,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 13:16:46,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 13:16:46,374 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) [2024-11-01 13:16:46,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 13:16:46,435 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-01 13:16:46,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 13:16:46,437 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 [2024-11-01 13:16:46,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 13:16:46,442 INFO L225 Difference]: With dead ends: 18 [2024-11-01 13:16:46,442 INFO L226 Difference]: Without dead ends: 10 [2024-11-01 13:16:46,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-01 13:16:46,446 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 [2024-11-01 13:16:46,447 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] [2024-11-01 13:16:46,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-01 13:16:46,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-01 13:16:46,466 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) [2024-11-01 13:16:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-01 13:16:46,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-01 13:16:46,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 13:16:46,468 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-01 13:16:46,468 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) [2024-11-01 13:16:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-01 13:16:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-01 13:16:46,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 13:16:46,468 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-01 13:16:46,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-01 13:16:46,669 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 [2024-11-01 13:16:46,670 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 13:16:46,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 13:16:46,670 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-01 13:16:46,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 13:16:46,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702735027] [2024-11-01 13:16:46,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 13:16:46,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 13:16:46,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 13:16:46,674 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) [2024-11-01 13:16:46,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 13:16:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 13:16:46,959 WARN L253 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-01 13:16:46,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 13:16:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 13:16:49,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 13:17:06,865 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 [2024-11-01 13:17:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-01 13:17:07,176 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 13:17:07,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702735027] [2024-11-01 13:17:07,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1702735027] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 13:17:07,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 13:17:07,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 13:17:07,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649792655] [2024-11-01 13:17:07,177 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 13:17:07,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 13:17:07,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 13:17:07,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 13:17:07,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=49, Unknown=1, NotChecked=14, Total=90 [2024-11-01 13:17:07,181 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) [2024-11-01 13:17:12,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 13:17:12,914 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-01 13:17:12,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 13:17:12,916 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 [2024-11-01 13:17:12,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 13:17:12,916 INFO L225 Difference]: With dead ends: 15 [2024-11-01 13:17:12,916 INFO L226 Difference]: Without dead ends: 13 [2024-11-01 13:17:12,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=50, Invalid=85, Unknown=1, NotChecked=20, Total=156 [2024-11-01 13:17:12,918 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 [2024-11-01 13:17:12,918 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] [2024-11-01 13:17:12,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-01 13:17:12,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-01 13:17:12,926 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) [2024-11-01 13:17:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-01 13:17:12,927 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-01 13:17:12,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 13:17:12,927 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-01 13:17:12,927 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) [2024-11-01 13:17:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-01 13:17:12,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-01 13:17:12,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 13:17:12,931 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-01 13:17:12,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-01 13:17:13,132 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 [2024-11-01 13:17:13,133 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 13:17:13,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 13:17:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-01 13:17:13,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 13:17:13,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965099623] [2024-11-01 13:17:13,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 13:17:13,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 13:17:13,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 13:17:13,137 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) [2024-11-01 13:17:13,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 13:17:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 13:17:13,398 WARN L253 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-11-01 13:17:13,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 13:17:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 13:17:43,574 INFO L311 TraceCheckSpWp]: Computing backward predicates...