/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 05:11:04,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 05:11:04,942 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 05:11:04,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 05:11:04,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 05:11:04,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 05:11:04,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 05:11:04,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 05:11:04,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 05:11:04,973 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 05:11:04,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 05:11:04,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 05:11:04,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 05:11:04,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 05:11:04,975 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 05:11:04,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 05:11:04,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 05:11:04,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 05:11:04,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 05:11:04,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 05:11:04,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 05:11:04,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 05:11:04,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 05:11:04,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 05:11:04,977 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 05:11:04,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 05:11:04,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 05:11:04,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 05:11:04,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 05:11:04,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 05:11:04,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 05:11:04,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 05:11:04,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 05:11:04,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 05:11:04,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 05:11:04,980 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 05:11:04,980 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 05:11:04,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 05:11:04,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 05:11:04,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 05:11:04,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 05:11:04,982 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 05:11:04,982 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:11:05,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 05:11:05,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 05:11:05,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 05:11:05,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 05:11:05,227 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 05:11:05,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul10.c [2024-11-01 05:11:06,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 05:11:06,775 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 05:11:06,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.mul10.c [2024-11-01 05:11:06,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32015662a/7b2f8606bb524cce800844e9d63da2b7/FLAGa053ed0ff [2024-11-01 05:11:06,804 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32015662a/7b2f8606bb524cce800844e9d63da2b7 [2024-11-01 05:11:06,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 05:11:06,807 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 05:11:06,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 05:11:06,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 05:11:06,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 05:11:06,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 05:11:06" (1/1) ... [2024-11-01 05:11:06,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eced9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:06, skipping insertion in model container [2024-11-01 05:11:06,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 05:11:06" (1/1) ... [2024-11-01 05:11:06,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 05:11:07,003 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.mul10.c[1245,1258] [2024-11-01 05:11:07,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 05:11:07,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 05:11:07,146 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.mul10.c[1245,1258] [2024-11-01 05:11:07,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 05:11:07,246 INFO L204 MainTranslator]: Completed translation [2024-11-01 05:11:07,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07 WrapperNode [2024-11-01 05:11:07,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 05:11:07,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 05:11:07,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 05:11:07,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 05:11:07,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,319 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 737 [2024-11-01 05:11:07,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 05:11:07,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 05:11:07,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 05:11:07,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 05:11:07,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,358 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 05:11:07,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 05:11:07,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 05:11:07,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 05:11:07,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 05:11:07,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (1/1) ... [2024-11-01 05:11:07,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 05:11:07,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:11:07,445 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 05:11:07,447 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 05:11:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 05:11:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 05:11:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 05:11:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 05:11:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 05:11:07,613 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 05:11:07,615 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 05:11:08,429 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-01 05:11:08,429 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 05:11:08,438 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 05:11:08,438 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 05:11:08,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 05:11:08 BoogieIcfgContainer [2024-11-01 05:11:08,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 05:11:08,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 05:11:08,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 05:11:08,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 05:11:08,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 05:11:06" (1/3) ... [2024-11-01 05:11:08,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ac8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 05:11:08, skipping insertion in model container [2024-11-01 05:11:08,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:11:07" (2/3) ... [2024-11-01 05:11:08,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ac8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 05:11:08, skipping insertion in model container [2024-11-01 05:11:08,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 05:11:08" (3/3) ... [2024-11-01 05:11:08,450 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul10.c [2024-11-01 05:11:08,462 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 05:11:08,462 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 05:11:08,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 05:11:08,534 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;@378ca4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 05:11:08,534 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 05:11:08,537 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 05:11:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 05:11:08,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 05:11:08,543 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 05:11:08,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 05:11:08,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 05:11:08,548 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 05:11:08,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 05:11:08,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182292616] [2024-11-01 05:11:08,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 05:11:08,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:11:08,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:11:08,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 05:11:08,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-01 05:11:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 05:11:08,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-01 05:11:08,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 05:11:09,110 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 05:11:09,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 05:11:20,809 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 05:11:20,810 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 05:11:20,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182292616] [2024-11-01 05:11:20,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [182292616] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 05:11:20,811 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 05:11:20,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 05:11:20,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227338421] [2024-11-01 05:11:20,813 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 05:11:20,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 05:11:20,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 05:11:20,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 05:11:20,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 05:11:20,832 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 05:11:21,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 05:11:21,172 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-01 05:11:21,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 05:11:21,174 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 05:11:21,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 05:11:21,179 INFO L225 Difference]: With dead ends: 17 [2024-11-01 05:11:21,179 INFO L226 Difference]: Without dead ends: 9 [2024-11-01 05:11:21,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 05:11:21,183 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 05:11:21,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 05:11:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-01 05:11:21,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-01 05:11:21,203 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 05:11:21,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-01 05:11:21,204 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-01 05:11:21,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 05:11:21,204 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-01 05:11:21,204 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 05:11:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-01 05:11:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-01 05:11:21,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 05:11:21,205 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-01 05:11:21,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-01 05:11:21,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:11:21,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 05:11:21,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 05:11:21,407 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-01 05:11:21,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 05:11:21,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040963478] [2024-11-01 05:11:21,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 05:11:21,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:11:21,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:11:21,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 05:11:21,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-01 05:11:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 05:11:21,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-01 05:11:21,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 05:11:22,523 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 05:11:22,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 05:11:34,674 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse28 (= |c_ULTIMATE.start_main_~state_269~0#1| (_ bv0 8))) (.cse27 (= |c_ULTIMATE.start_main_~state_251~0#1| (_ bv0 8)))) (let ((.cse25 (and (or .cse28 (and .cse27 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_11| (_ BitVec 64))) (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_11| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (or .cse27 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_11| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_11| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))))) (.cse24 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_11| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_11|) (_ bv255 32)))))))))) (let ((.cse23 (or .cse25 .cse24)) (.cse13 (and (or .cse27 (and .cse28 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_11| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_11| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))))) (or (and (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_11| (_ BitVec 64))) (not (= (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_11| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (not .cse28)) (not .cse27)))) (.cse21 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_11| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_11|) (_ bv254 32)))) .cse3))))) (.cse7 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|))) (let ((.cse20 (or .cse24 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_42~0#1_10| (_ BitVec 32))) (= (bvand |v_ULTIMATE.start_main_~state_42~0#1_10| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|))))) (.cse22 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~state_42~0#1_10| (_ BitVec 32))) (not (= (bvand |v_ULTIMATE.start_main_~state_42~0#1_10| |c_ULTIMATE.start_main_~mask_SORT_3~0#1|) (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_5~0#1|))))) (.cse26 (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |c_ULTIMATE.start_main_~state_30~0#1|)) (.cse11 (not .cse7)) (.cse8 (and .cse23 (or .cse13 .cse21)))) (let ((.cse9 (or .cse11 .cse8)) (.cse16 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32))) (not (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) .cse26)))) (.cse12 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 32))) (= (bvand |c_ULTIMATE.start_main_~mask_SORT_3~0#1| |ULTIMATE.start_main_~input_4~0#1|) .cse26))) (.cse0 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse14 (and .cse20 (or .cse24 .cse22)))) (let ((.cse15 (or .cse25 .cse14)) (.cse5 (not .cse0)) (.cse1 (and .cse9 (or .cse7 (and (or .cse16 .cse8) (or .cse12 (and .cse23 (or .cse13 .cse24)))))))) (let ((.cse2 (or .cse5 .cse1)) (.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse10 (and (or .cse13 (and .cse20 (or .cse21 .cse22))) .cse15))) (and (or (and (or .cse0 .cse1) .cse2) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))) .cse4))))))))) (or (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))) .cse4))))))) (let ((.cse6 (and (or .cse7 .cse8) .cse9))) (and (or .cse5 .cse6) (or .cse0 .cse6)))) (or (and .cse2 (or .cse0 (and (or .cse10 .cse11) (or (and (or .cse12 (and (or .cse13 .cse14) .cse15)) (or .cse10 .cse16)) .cse7)))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse17 .cse18))) .cse3)))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse18 .cse4))))))))))) (or (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse19 .cse4)))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse17 .cse19))) .cse3))))))) (and (or .cse5 .cse8) (or .cse0 .cse10))))))))))) is different from false [2024-11-01 05:11:44,839 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 05:11:44,839 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 05:11:44,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040963478] [2024-11-01 05:11:44,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1040963478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 05:11:44,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 05:11:44,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-01 05:11:44,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646862027] [2024-11-01 05:11:44,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 05:11:44,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-01 05:11:44,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 05:11:44,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-01 05:11:44,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=82, Unknown=1, NotChecked=18, Total=132 [2024-11-01 05:11:44,842 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 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 05:11:46,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 05:11:46,002 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-01 05:11:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 05:11:46,004 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 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 05:11:46,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 05:11:46,005 INFO L225 Difference]: With dead ends: 14 [2024-11-01 05:11:46,005 INFO L226 Difference]: Without dead ends: 12 [2024-11-01 05:11:46,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=55, Invalid=130, Unknown=1, NotChecked=24, Total=210 [2024-11-01 05:11:46,006 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 05:11:46,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 7 Unchecked, 0.5s Time] [2024-11-01 05:11:46,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-01 05:11:46,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-01 05:11:46,009 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 05:11:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-01 05:11:46,009 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-01 05:11:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 05:11:46,010 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-01 05:11:46,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 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 05:11:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-01 05:11:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-01 05:11:46,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 05:11:46,010 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-01 05:11:46,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-01 05:11:46,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:11:46,215 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 05:11:46,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 05:11:46,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-01 05:11:46,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 05:11:46,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602193396] [2024-11-01 05:11:46,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 05:11:46,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:11:46,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:11:46,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 05:11:46,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process