./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb317fac4733296e764d15c5d1055d4412d25f784c848e329f8f4334cc494698 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:08:43,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:08:43,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:08:43,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:08:43,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:08:43,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:08:43,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:08:43,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:08:43,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:08:43,570 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:08:43,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:08:43,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:08:43,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:08:43,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:08:43,573 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:08:43,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:08:43,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:08:43,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:08:43,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:08:43,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:08:43,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:08:43,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:08:43,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:08:43,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:08:43,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:08:43,578 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:08:43,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:08:43,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:08:43,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:08:43,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:08:43,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:08:43,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:08:43,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:08:43,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:08:43,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:08:43,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:08:43,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:08:43,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:08:43,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:08:43,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:08:43,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:08:43,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:08:43,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb317fac4733296e764d15c5d1055d4412d25f784c848e329f8f4334cc494698 [2024-11-20 04:08:43,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:08:43,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:08:43,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:08:43,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:08:43,806 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:08:43,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i [2024-11-20 04:08:45,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:08:45,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:08:45,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i [2024-11-20 04:08:45,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a48ff77d/29114f097f574e939c612fb210315f8b/FLAG8e25d2eeb [2024-11-20 04:08:45,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a48ff77d/29114f097f574e939c612fb210315f8b [2024-11-20 04:08:45,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:08:45,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:08:45,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:08:45,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:08:45,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:08:45,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e22e933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45, skipping insertion in model container [2024-11-20 04:08:45,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:08:45,651 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i[919,932] [2024-11-20 04:08:45,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:08:45,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:08:45,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i[919,932] [2024-11-20 04:08:45,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:08:45,792 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:08:45,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45 WrapperNode [2024-11-20 04:08:45,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:08:45,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:08:45,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:08:45,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:08:45,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,845 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 256 [2024-11-20 04:08:45,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:08:45,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:08:45,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:08:45,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:08:45,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,892 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 04:08:45,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:08:45,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:08:45,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:08:45,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:08:45,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (1/1) ... [2024-11-20 04:08:45,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:08:45,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:08:45,974 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) [2024-11-20 04:08:45,980 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 [2024-11-20 04:08:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:08:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:08:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:08:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:08:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:08:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:08:46,092 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:08:46,094 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:08:46,507 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-20 04:08:46,507 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:08:46,517 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:08:46,517 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:08:46,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:08:46 BoogieIcfgContainer [2024-11-20 04:08:46,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:08:46,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:08:46,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:08:46,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:08:46,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:08:45" (1/3) ... [2024-11-20 04:08:46,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5821a5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:08:46, skipping insertion in model container [2024-11-20 04:08:46,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:08:45" (2/3) ... [2024-11-20 04:08:46,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5821a5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:08:46, skipping insertion in model container [2024-11-20 04:08:46,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:08:46" (3/3) ... [2024-11-20 04:08:46,527 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i [2024-11-20 04:08:46,540 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:08:46,540 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:08:46,592 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:08:46,598 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;@6d93c20d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:08:46,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:08:46,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 73 states have internal predecessors, (106), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 04:08:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-20 04:08:46,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:08:46,616 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:08:46,617 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:08:46,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:08:46,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1841187895, now seen corresponding path program 1 times [2024-11-20 04:08:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:08:46,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806959545] [2024-11-20 04:08:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:08:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:08:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:08:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:08:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:08:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:08:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:08:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:08:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:08:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 04:08:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 04:08:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 04:08:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 04:08:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 04:08:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 04:08:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 04:08:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 04:08:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:08:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:08:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:08:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:08:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:08:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:08:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:08:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:08:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:08:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:08:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:08:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:08:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:08:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:08:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:08:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:08:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:08:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:08:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:08:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:08:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:08:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-20 04:08:47,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:08:47,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806959545] [2024-11-20 04:08:47,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806959545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:08:47,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:08:47,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:08:47,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788767797] [2024-11-20 04:08:47,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:08:47,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:08:47,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:08:47,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:08:47,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:08:47,270 INFO L87 Difference]: Start difference. First operand has 111 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 73 states have internal predecessors, (106), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-20 04:08:47,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:08:47,311 INFO L93 Difference]: Finished difference Result 215 states and 386 transitions. [2024-11-20 04:08:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:08:47,314 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) Word has length 227 [2024-11-20 04:08:47,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:08:47,321 INFO L225 Difference]: With dead ends: 215 [2024-11-20 04:08:47,322 INFO L226 Difference]: Without dead ends: 107 [2024-11-20 04:08:47,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:08:47,328 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:08:47,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:08:47,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-20 04:08:47,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-20 04:08:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 69 states have (on average 1.434782608695652) internal successors, (99), 69 states have internal predecessors, (99), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-20 04:08:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 171 transitions. [2024-11-20 04:08:47,387 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 171 transitions. Word has length 227 [2024-11-20 04:08:47,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:08:47,388 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 171 transitions. [2024-11-20 04:08:47,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-20 04:08:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 171 transitions. [2024-11-20 04:08:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-20 04:08:47,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:08:47,393 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:08:47,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:08:47,394 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:08:47,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:08:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1840232145, now seen corresponding path program 1 times [2024-11-20 04:08:47,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:08:47,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253403774] [2024-11-20 04:08:47,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:08:47,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:08:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:08:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:08:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:08:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:08:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:08:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:08:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:08:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 04:08:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 04:08:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 04:08:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 04:08:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 04:08:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 04:08:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 04:08:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 04:08:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:08:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:08:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:08:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:08:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:08:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:08:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:08:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:08:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:08:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:08:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:08:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:08:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:08:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:08:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:08:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:08:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:08:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:08:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:08:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:08:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:08:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-20 04:08:47,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:08:47,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253403774] [2024-11-20 04:08:47,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253403774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:08:47,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:08:47,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:08:47,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146127073] [2024-11-20 04:08:47,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:08:47,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:08:47,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:08:47,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:08:47,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:08:47,720 INFO L87 Difference]: Start difference. First operand 107 states and 171 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:08:47,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:08:47,765 INFO L93 Difference]: Finished difference Result 263 states and 418 transitions. [2024-11-20 04:08:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:08:47,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 227 [2024-11-20 04:08:47,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:08:47,768 INFO L225 Difference]: With dead ends: 263 [2024-11-20 04:08:47,768 INFO L226 Difference]: Without dead ends: 159 [2024-11-20 04:08:47,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:08:47,770 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 74 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:08:47,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 330 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:08:47,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-20 04:08:47,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2024-11-20 04:08:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 04:08:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 246 transitions. [2024-11-20 04:08:47,798 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 246 transitions. Word has length 227 [2024-11-20 04:08:47,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:08:47,798 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 246 transitions. [2024-11-20 04:08:47,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:08:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 246 transitions. [2024-11-20 04:08:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-20 04:08:47,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:08:47,802 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:08:47,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:08:47,802 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:08:47,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:08:47,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1160173775, now seen corresponding path program 1 times [2024-11-20 04:08:47,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:08:47,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025839700] [2024-11-20 04:08:47,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:08:47,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:08:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:08:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:08:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:08:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:08:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:08:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:08:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:47,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:08:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 04:08:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 04:08:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 04:08:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 04:08:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 04:08:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 04:08:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 04:08:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 04:08:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:08:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:08:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:08:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:08:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:08:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:08:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:08:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:08:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:08:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:08:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:08:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:08:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:08:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:08:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:08:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:08:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:08:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:08:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:08:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:08:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:08:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-20 04:08:48,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:08:48,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025839700] [2024-11-20 04:08:48,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025839700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:08:48,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:08:48,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:08:48,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060372352] [2024-11-20 04:08:48,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:08:48,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:08:48,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:08:48,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:08:48,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:08:48,080 INFO L87 Difference]: Start difference. First operand 156 states and 246 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:08:48,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:08:48,166 INFO L93 Difference]: Finished difference Result 399 states and 627 transitions. [2024-11-20 04:08:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:08:48,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 227 [2024-11-20 04:08:48,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:08:48,176 INFO L225 Difference]: With dead ends: 399 [2024-11-20 04:08:48,176 INFO L226 Difference]: Without dead ends: 246 [2024-11-20 04:08:48,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:08:48,178 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 65 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:08:48,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 332 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:08:48,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-20 04:08:48,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2024-11-20 04:08:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 177 states have (on average 1.463276836158192) internal successors, (259), 180 states have internal predecessors, (259), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 57 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-20 04:08:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 379 transitions. [2024-11-20 04:08:48,220 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 379 transitions. Word has length 227 [2024-11-20 04:08:48,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:08:48,224 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 379 transitions. [2024-11-20 04:08:48,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:08:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 379 transitions. [2024-11-20 04:08:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-20 04:08:48,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:08:48,230 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:08:48,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:08:48,231 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:08:48,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:08:48,231 INFO L85 PathProgramCache]: Analyzing trace with hash -737471949, now seen corresponding path program 1 times [2024-11-20 04:08:48,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:08:48,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471476874] [2024-11-20 04:08:48,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:08:48,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:08:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:08:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:08:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:08:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:08:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:08:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:08:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:08:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 04:08:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 04:08:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 04:08:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 04:08:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 04:08:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 04:08:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 04:08:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 04:08:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:08:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:08:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:08:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:08:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:08:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:08:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:08:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:08:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:08:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:08:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:08:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:08:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:08:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:48,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:08:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:08:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:08:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:08:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:08:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:08:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:08:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:08:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-20 04:08:49,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:08:49,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471476874] [2024-11-20 04:08:49,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471476874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:08:49,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:08:49,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 04:08:49,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401338245] [2024-11-20 04:08:49,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:08:49,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 04:08:49,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:08:49,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 04:08:49,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:08:49,054 INFO L87 Difference]: Start difference. First operand 242 states and 379 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:08:49,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:08:49,406 INFO L93 Difference]: Finished difference Result 684 states and 1072 transitions. [2024-11-20 04:08:49,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 04:08:49,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 227 [2024-11-20 04:08:49,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:08:49,412 INFO L225 Difference]: With dead ends: 684 [2024-11-20 04:08:49,412 INFO L226 Difference]: Without dead ends: 445 [2024-11-20 04:08:49,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:08:49,414 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 104 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 04:08:49,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 474 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 04:08:49,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-20 04:08:49,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 415. [2024-11-20 04:08:49,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 311 states have (on average 1.4855305466237942) internal successors, (462), 314 states have internal predecessors, (462), 96 states have call successors, (96), 7 states have call predecessors, (96), 7 states have return successors, (96), 93 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 04:08:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 654 transitions. [2024-11-20 04:08:49,477 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 654 transitions. Word has length 227 [2024-11-20 04:08:49,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:08:49,477 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 654 transitions. [2024-11-20 04:08:49,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:08:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 654 transitions. [2024-11-20 04:08:49,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-20 04:08:49,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:08:49,479 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:08:49,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:08:49,480 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:08:49,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:08:49,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2125200313, now seen corresponding path program 1 times [2024-11-20 04:08:49,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:08:49,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292667160] [2024-11-20 04:08:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:08:49,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:08:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:08:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:08:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:08:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:08:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:08:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:08:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:08:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 04:08:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 04:08:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 04:08:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 04:08:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 04:08:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 04:08:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 04:08:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 04:08:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:08:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:08:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:08:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:08:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:08:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:08:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:08:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:08:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:08:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:08:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:08:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:08:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:08:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:08:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:08:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:08:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:08:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:08:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:08:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:08:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:08:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-20 04:08:49,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:08:49,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292667160] [2024-11-20 04:08:49,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292667160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:08:49,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:08:49,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 04:08:49,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854256920] [2024-11-20 04:08:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:08:49,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 04:08:49,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:08:49,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 04:08:49,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:08:49,762 INFO L87 Difference]: Start difference. First operand 415 states and 654 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:08:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:08:49,955 INFO L93 Difference]: Finished difference Result 1177 states and 1857 transitions. [2024-11-20 04:08:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 04:08:49,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 229 [2024-11-20 04:08:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:08:49,961 INFO L225 Difference]: With dead ends: 1177 [2024-11-20 04:08:49,961 INFO L226 Difference]: Without dead ends: 836 [2024-11-20 04:08:49,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:08:49,963 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 167 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:08:49,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 521 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:08:49,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-20 04:08:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 808. [2024-11-20 04:08:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 640 states have (on average 1.4984375) internal successors, (959), 646 states have internal predecessors, (959), 156 states have call successors, (156), 11 states have call predecessors, (156), 11 states have return successors, (156), 150 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-20 04:08:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1271 transitions. [2024-11-20 04:08:50,042 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1271 transitions. Word has length 229 [2024-11-20 04:08:50,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:08:50,043 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1271 transitions. [2024-11-20 04:08:50,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:08:50,043 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1271 transitions. [2024-11-20 04:08:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-20 04:08:50,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:08:50,047 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:08:50,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:08:50,048 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:08:50,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:08:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1235473261, now seen corresponding path program 1 times [2024-11-20 04:08:50,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:08:50,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628143954] [2024-11-20 04:08:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:08:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:08:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 04:08:50,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268277733] [2024-11-20 04:08:50,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:08:50,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:08:50,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:08:50,215 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) [2024-11-20 04:08:50,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 04:08:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:08:50,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 04:08:50,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:08:55,703 WARN L873 $PredicateComparison]: unable to prove that (or (< 4294967264 (mod (div 8 c_~var_1_3~0) 4294967296)) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 0 ~var_1_4~0) (<= 4294967265 (mod (div 8 ~var_1_4~0) 4294967296)))) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 4294967265 (mod (div 8 ~var_1_4~0) 4294967296)) (<= (+ ~var_1_4~0 1) 0)))) is different from true [2024-11-20 04:08:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-20 04:08:58,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 04:08:58,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:08:58,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628143954] [2024-11-20 04:08:58,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 04:08:58,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268277733] [2024-11-20 04:08:58,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268277733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:08:58,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:08:58,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 04:08:58,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613174107] [2024-11-20 04:08:58,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:08:58,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 04:08:58,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:08:58,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 04:08:58,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2024-11-20 04:08:58,973 INFO L87 Difference]: Start difference. First operand 808 states and 1271 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:09:16,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:09:21,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:09:22,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:09:22,008 INFO L93 Difference]: Finished difference Result 1124 states and 1743 transitions. [2024-11-20 04:09:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 04:09:22,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 231 [2024-11-20 04:09:22,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:09:22,012 INFO L225 Difference]: With dead ends: 1124 [2024-11-20 04:09:22,012 INFO L226 Difference]: Without dead ends: 882 [2024-11-20 04:09:22,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=4, NotChecked=16, Total=110 [2024-11-20 04:09:22,014 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 102 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 348 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-20 04:09:22,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 765 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 167 Invalid, 2 Unknown, 348 Unchecked, 9.7s Time] [2024-11-20 04:09:22,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2024-11-20 04:09:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 824. [2024-11-20 04:09:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 656 states have (on average 1.5030487804878048) internal successors, (986), 662 states have internal predecessors, (986), 156 states have call successors, (156), 11 states have call predecessors, (156), 11 states have return successors, (156), 150 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-20 04:09:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1298 transitions. [2024-11-20 04:09:22,046 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1298 transitions. Word has length 231 [2024-11-20 04:09:22,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:09:22,046 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1298 transitions. [2024-11-20 04:09:22,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:09:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1298 transitions. [2024-11-20 04:09:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-20 04:09:22,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:09:22,048 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:09:22,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 04:09:22,249 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,SelfDestructingSolverStorable5 [2024-11-20 04:09:22,249 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:09:22,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:09:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash -977307823, now seen corresponding path program 1 times [2024-11-20 04:09:22,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:09:22,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532297245] [2024-11-20 04:09:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:09:22,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:09:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 04:09:22,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552436024] [2024-11-20 04:09:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:09:22,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:09:22,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:09:22,350 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) [2024-11-20 04:09:22,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 04:09:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:22,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 04:09:22,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:09:32,874 WARN L873 $PredicateComparison]: unable to prove that (or (< 4294967264 (mod (div 8 c_~var_1_3~0) 4294967296)) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 0 ~var_1_4~0) (<= 4294967265 (mod (div 8 ~var_1_4~0) 4294967296)))) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 4294967265 (mod (div 8 ~var_1_4~0) 4294967296)) (<= (+ ~var_1_4~0 1) 0)))) is different from true [2024-11-20 04:09:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-20 04:09:36,617 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 04:09:36,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:09:36,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532297245] [2024-11-20 04:09:36,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 04:09:36,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552436024] [2024-11-20 04:09:36,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552436024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:09:36,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:09:36,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 04:09:36,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805456483] [2024-11-20 04:09:36,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:09:36,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 04:09:36,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:09:36,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 04:09:36,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2024-11-20 04:09:36,620 INFO L87 Difference]: Start difference. First operand 824 states and 1298 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:09:54,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:10:00,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 04:10:00,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:10:00,942 INFO L93 Difference]: Finished difference Result 1127 states and 1747 transitions. [2024-11-20 04:10:00,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 04:10:00,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 231 [2024-11-20 04:10:00,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:10:00,949 INFO L225 Difference]: With dead ends: 1127 [2024-11-20 04:10:00,949 INFO L226 Difference]: Without dead ends: 885 [2024-11-20 04:10:00,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=4, NotChecked=16, Total=110 [2024-11-20 04:10:00,950 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 100 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 348 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:10:00,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 771 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 168 Invalid, 2 Unknown, 348 Unchecked, 10.0s Time] [2024-11-20 04:10:00,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2024-11-20 04:10:00,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 824. [2024-11-20 04:10:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 656 states have (on average 1.5030487804878048) internal successors, (986), 662 states have internal predecessors, (986), 156 states have call successors, (156), 11 states have call predecessors, (156), 11 states have return successors, (156), 150 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-20 04:10:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1298 transitions. [2024-11-20 04:10:01,001 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1298 transitions. Word has length 231 [2024-11-20 04:10:01,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:10:01,002 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1298 transitions. [2024-11-20 04:10:01,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-20 04:10:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1298 transitions. [2024-11-20 04:10:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-20 04:10:01,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:10:01,005 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:10:01,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 04:10:01,209 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,SelfDestructingSolverStorable6 [2024-11-20 04:10:01,210 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:10:01,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:10:01,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2048376785, now seen corresponding path program 1 times [2024-11-20 04:10:01,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:10:01,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454181525] [2024-11-20 04:10:01,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:10:01,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:10:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:10:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:10:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:10:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:10:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:10:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:10:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:10:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 04:10:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 04:10:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 04:10:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 04:10:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 04:10:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 04:10:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 04:10:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 04:10:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:10:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:10:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:10:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:10:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:10:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:10:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:10:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:10:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:10:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:10:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:10:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:10:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:10:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:10:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:10:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:10:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:10:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:10:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:10:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:10:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:10:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 60 proven. 45 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2024-11-20 04:10:01,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:10:01,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454181525] [2024-11-20 04:10:01,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454181525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 04:10:01,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080443119] [2024-11-20 04:10:01,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:10:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:10:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:10:01,696 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) [2024-11-20 04:10:01,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 04:10:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:01,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 04:10:01,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:10:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1275 proven. 45 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 04:10:03,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 04:10:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 60 proven. 45 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2024-11-20 04:10:05,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080443119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 04:10:05,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 04:10:05,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-20 04:10:05,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651860447] [2024-11-20 04:10:05,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 04:10:05,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 04:10:05,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:10:05,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 04:10:05,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 04:10:05,407 INFO L87 Difference]: Start difference. First operand 824 states and 1298 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-20 04:10:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:10:07,098 INFO L93 Difference]: Finished difference Result 1506 states and 2351 transitions. [2024-11-20 04:10:07,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 04:10:07,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 231 [2024-11-20 04:10:07,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:10:07,110 INFO L225 Difference]: With dead ends: 1506 [2024-11-20 04:10:07,111 INFO L226 Difference]: Without dead ends: 850 [2024-11-20 04:10:07,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 530 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-20 04:10:07,112 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 159 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 04:10:07,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 381 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 04:10:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-20 04:10:07,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 836. [2024-11-20 04:10:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 665 states have (on average 1.4646616541353383) internal successors, (974), 671 states have internal predecessors, (974), 156 states have call successors, (156), 14 states have call predecessors, (156), 14 states have return successors, (156), 150 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-20 04:10:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1286 transitions. [2024-11-20 04:10:07,181 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1286 transitions. Word has length 231 [2024-11-20 04:10:07,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:10:07,182 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1286 transitions. [2024-11-20 04:10:07,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-20 04:10:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1286 transitions. [2024-11-20 04:10:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-20 04:10:07,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:10:07,184 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:10:07,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 04:10:07,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:10:07,385 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:10:07,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:10:07,386 INFO L85 PathProgramCache]: Analyzing trace with hash -214404907, now seen corresponding path program 1 times [2024-11-20 04:10:07,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:10:07,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90075273] [2024-11-20 04:10:07,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:10:07,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:10:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 04:10:07,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790983091] [2024-11-20 04:10:07,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:10:07,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:10:07,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:10:07,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 04:10:07,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 04:10:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:07,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 04:10:07,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:10:20,926 WARN L873 $PredicateComparison]: unable to prove that (or (< 4294967264 (mod (div 8 c_~var_1_3~0) 4294967296)) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 0 ~var_1_4~0) (<= 4294967265 (mod (div 8 ~var_1_4~0) 4294967296)))) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 4294967265 (mod (div 8 ~var_1_4~0) 4294967296)) (<= (+ ~var_1_4~0 1) 0)))) is different from true [2024-11-20 04:10:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-20 04:10:24,588 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 04:10:24,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:10:24,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90075273] [2024-11-20 04:10:24,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 04:10:24,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790983091] [2024-11-20 04:10:24,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790983091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:10:24,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:10:24,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 04:10:24,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338734597] [2024-11-20 04:10:24,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:10:24,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 04:10:24,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:10:24,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 04:10:24,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2024-11-20 04:10:24,596 INFO L87 Difference]: Start difference. First operand 836 states and 1286 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36)