./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_floatingpointinfluence_no-floats_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_floatingpointinfluence_no-floats_file-94.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 d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 09:00:33,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 09:00:33,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 09:00:33,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 09:00:33,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 09:00:33,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 09:00:33,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 09:00:33,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 09:00:33,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 09:00:33,140 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 09:00:33,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 09:00:33,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 09:00:33,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 09:00:33,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 09:00:33,144 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 09:00:33,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 09:00:33,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 09:00:33,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 09:00:33,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 09:00:33,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 09:00:33,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 09:00:33,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 09:00:33,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 09:00:33,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 09:00:33,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 09:00:33,154 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 09:00:33,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 09:00:33,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 09:00:33,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 09:00:33,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 09:00:33,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 09:00:33,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 09:00:33,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:00:33,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 09:00:33,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 09:00:33,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 09:00:33,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 09:00:33,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 09:00:33,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 09:00:33,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 09:00:33,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 09:00:33,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 09:00:33,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc [2024-10-24 09:00:33,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 09:00:33,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 09:00:33,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 09:00:33,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 09:00:33,417 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 09:00:33,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-24 09:00:34,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 09:00:35,055 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 09:00:35,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-24 09:00:35,067 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f300d827c/d8f5ef45433a45db84ab29a847216f15/FLAGd2f378624 [2024-10-24 09:00:35,420 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f300d827c/d8f5ef45433a45db84ab29a847216f15 [2024-10-24 09:00:35,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 09:00:35,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 09:00:35,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 09:00:35,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 09:00:35,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 09:00:35,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444f8e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35, skipping insertion in model container [2024-10-24 09:00:35,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 09:00:35,635 WARN L248 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_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-10-24 09:00:35,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:00:35,684 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 09:00:35,695 WARN L248 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_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-10-24 09:00:35,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:00:35,737 INFO L204 MainTranslator]: Completed translation [2024-10-24 09:00:35,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35 WrapperNode [2024-10-24 09:00:35,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 09:00:35,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 09:00:35,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 09:00:35,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 09:00:35,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,793 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-10-24 09:00:35,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 09:00:35,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 09:00:35,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 09:00:35,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 09:00:35,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,835 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]. [2024-10-24 09:00:35,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 09:00:35,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 09:00:35,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 09:00:35,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 09:00:35,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (1/1) ... [2024-10-24 09:00:35,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:00:35,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:00:35,904 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) [2024-10-24 09:00:35,907 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 [2024-10-24 09:00:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 09:00:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 09:00:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 09:00:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 09:00:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 09:00:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 09:00:36,034 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 09:00:36,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 09:00:36,385 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 09:00:36,386 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 09:00:36,452 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 09:00:36,452 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 09:00:36,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:00:36 BoogieIcfgContainer [2024-10-24 09:00:36,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 09:00:36,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 09:00:36,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 09:00:36,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 09:00:36,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:00:35" (1/3) ... [2024-10-24 09:00:36,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddb7399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:00:36, skipping insertion in model container [2024-10-24 09:00:36,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:00:35" (2/3) ... [2024-10-24 09:00:36,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddb7399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:00:36, skipping insertion in model container [2024-10-24 09:00:36,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:00:36" (3/3) ... [2024-10-24 09:00:36,464 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-24 09:00:36,479 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 09:00:36,479 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 09:00:36,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 09:00:36,547 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;@6ce41075, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 09:00:36,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 09:00:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:00:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-24 09:00:36,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:00:36,567 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:00:36,567 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:00:36,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:00:36,573 INFO L85 PathProgramCache]: Analyzing trace with hash 492354081, now seen corresponding path program 1 times [2024-10-24 09:00:36,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:00:36,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086034877] [2024-10-24 09:00:36,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:36,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:00:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:00:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:00:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:00:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:00:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:00:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:00:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:00:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:00:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:00:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:00:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:00:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:36,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:00:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:00:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:00:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:00:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:00:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:00:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:00:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:00:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:00:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:00:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:00:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:00:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:00:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:00:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:00:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:00:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:00:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 09:00:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 09:00:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 09:00:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:00:37,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:00:37,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086034877] [2024-10-24 09:00:37,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086034877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:00:37,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:00:37,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 09:00:37,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946290426] [2024-10-24 09:00:37,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:00:37,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 09:00:37,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:00:37,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 09:00:37,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:00:37,146 INFO L87 Difference]: Start difference. First operand has 67 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 09:00:37,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:00:37,201 INFO L93 Difference]: Finished difference Result 131 states and 243 transitions. [2024-10-24 09:00:37,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 09:00:37,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 180 [2024-10-24 09:00:37,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:00:37,213 INFO L225 Difference]: With dead ends: 131 [2024-10-24 09:00:37,214 INFO L226 Difference]: Without dead ends: 65 [2024-10-24 09:00:37,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:00:37,224 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:00:37,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 09:00:37,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-24 09:00:37,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-24 09:00:37,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:00:37,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 102 transitions. [2024-10-24 09:00:37,285 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 102 transitions. Word has length 180 [2024-10-24 09:00:37,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:00:37,285 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 102 transitions. [2024-10-24 09:00:37,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 09:00:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2024-10-24 09:00:37,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-24 09:00:37,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:00:37,290 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:00:37,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 09:00:37,290 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:00:37,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:00:37,291 INFO L85 PathProgramCache]: Analyzing trace with hash -613894813, now seen corresponding path program 1 times [2024-10-24 09:00:37,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:00:37,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376175726] [2024-10-24 09:00:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:37,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:00:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:00:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:00:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:00:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:00:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:00:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:00:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:00:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:00:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:00:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:00:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:00:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:00:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:00:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:00:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:00:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:00:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:00:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:00:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:00:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:00:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:00:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:00:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:00:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:00:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:00:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:00:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:00:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:00:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 09:00:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 09:00:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 09:00:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:00:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:00:53,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:00:53,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376175726] [2024-10-24 09:00:53,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376175726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:00:53,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:00:53,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 09:00:53,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827997102] [2024-10-24 09:00:53,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:00:53,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 09:00:53,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:00:53,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 09:00:53,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 09:00:53,518 INFO L87 Difference]: Start difference. First operand 65 states and 102 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:00:54,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:00:54,601 INFO L93 Difference]: Finished difference Result 82 states and 122 transitions. [2024-10-24 09:00:54,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 09:00:54,603 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-10-24 09:00:54,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:00:54,607 INFO L225 Difference]: With dead ends: 82 [2024-10-24 09:00:54,609 INFO L226 Difference]: Without dead ends: 80 [2024-10-24 09:00:54,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-24 09:00:54,611 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 35 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 09:00:54,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 309 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 09:00:54,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-24 09:00:54,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 69. [2024-10-24 09:00:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:00:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2024-10-24 09:00:54,627 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 180 [2024-10-24 09:00:54,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:00:54,632 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2024-10-24 09:00:54,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:00:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-10-24 09:00:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-24 09:00:54,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:00:54,638 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:00:54,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 09:00:54,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:00:54,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:00:54,638 INFO L85 PathProgramCache]: Analyzing trace with hash -556636511, now seen corresponding path program 1 times [2024-10-24 09:00:54,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:00:54,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360870199] [2024-10-24 09:00:54,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:00:54,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:00:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:01:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:01:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:01:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:01:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:01:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:01:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:01:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:01:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:01:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:01:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:01:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:01:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:01:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:01:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:01:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:01:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:01:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:01:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:01:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:01:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:01:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:01:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:01:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:01:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:01:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:01:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:01:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:01:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 09:01:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 09:01:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 09:01:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:09,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:01:09,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:01:09,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360870199] [2024-10-24 09:01:09,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360870199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:01:09,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:01:09,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 09:01:09,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047005886] [2024-10-24 09:01:09,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:01:09,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 09:01:09,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:01:09,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 09:01:09,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 09:01:09,691 INFO L87 Difference]: Start difference. First operand 69 states and 107 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:01:10,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:01:10,966 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2024-10-24 09:01:10,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 09:01:10,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-10-24 09:01:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:01:10,969 INFO L225 Difference]: With dead ends: 76 [2024-10-24 09:01:10,969 INFO L226 Difference]: Without dead ends: 74 [2024-10-24 09:01:10,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-24 09:01:10,971 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 17 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 09:01:10,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 337 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 09:01:10,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-24 09:01:10,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 67. [2024-10-24 09:01:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:01:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-24 09:01:10,980 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 180 [2024-10-24 09:01:10,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:01:10,980 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-24 09:01:10,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:01:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-24 09:01:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-24 09:01:10,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:01:10,986 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:01:10,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 09:01:10,987 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:01:10,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:01:10,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1866691872, now seen corresponding path program 1 times [2024-10-24 09:01:10,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:01:10,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952889246] [2024-10-24 09:01:10,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:01:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:01:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:01:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:01:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:01:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:01:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:01:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:01:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:01:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:01:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:01:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:01:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:01:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:01:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:01:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:01:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:01:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:01:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:01:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:01:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:01:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:01:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:01:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:01:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:01:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:01:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:01:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:01:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:01:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:01:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 09:01:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 09:01:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 09:01:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:01:35,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:01:35,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952889246] [2024-10-24 09:01:35,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952889246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:01:35,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:01:35,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 09:01:35,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287061900] [2024-10-24 09:01:35,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:01:35,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 09:01:35,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:01:35,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 09:01:35,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-24 09:01:35,286 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:01:37,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:01:37,095 INFO L93 Difference]: Finished difference Result 75 states and 112 transitions. [2024-10-24 09:01:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 09:01:37,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 181 [2024-10-24 09:01:37,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:01:37,097 INFO L225 Difference]: With dead ends: 75 [2024-10-24 09:01:37,097 INFO L226 Difference]: Without dead ends: 73 [2024-10-24 09:01:37,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-24 09:01:37,098 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 46 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:01:37,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 324 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 09:01:37,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-24 09:01:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-10-24 09:01:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:01:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-24 09:01:37,109 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 181 [2024-10-24 09:01:37,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:01:37,109 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-24 09:01:37,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:01:37,110 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-24 09:01:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-24 09:01:37,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:01:37,114 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:01:37,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 09:01:37,114 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:01:37,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:01:37,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2043302866, now seen corresponding path program 1 times [2024-10-24 09:01:37,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:01:37,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539505446] [2024-10-24 09:01:37,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:01:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:01:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:01:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:01:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:01:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:01:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:01:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:01:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:01:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:01:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:01:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:01:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:01:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:01:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:01:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:01:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:01:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:01:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:01:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:01:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:01:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:01:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:01:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:01:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:01:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:01:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:01:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:01:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:01:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:01:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 09:01:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 09:01:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 09:01:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:01:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:01:57,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:01:57,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539505446] [2024-10-24 09:01:57,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539505446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:01:57,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:01:57,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 09:01:57,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065506345] [2024-10-24 09:01:57,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:01:57,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 09:01:57,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:01:57,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 09:01:57,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 09:01:57,177 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:01:58,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:01:58,067 INFO L93 Difference]: Finished difference Result 78 states and 115 transitions. [2024-10-24 09:01:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 09:01:58,068 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-24 09:01:58,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:01:58,070 INFO L225 Difference]: With dead ends: 78 [2024-10-24 09:01:58,070 INFO L226 Difference]: Without dead ends: 76 [2024-10-24 09:01:58,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-24 09:01:58,072 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 21 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 09:01:58,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 286 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 09:01:58,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-24 09:01:58,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 67. [2024-10-24 09:01:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:01:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-24 09:01:58,085 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 182 [2024-10-24 09:01:58,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:01:58,086 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-24 09:01:58,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:01:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-24 09:01:58,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-24 09:01:58,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:01:58,092 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:01:58,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 09:01:58,092 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:01:58,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:01:58,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2043243284, now seen corresponding path program 1 times [2024-10-24 09:01:58,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:01:58,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678468956] [2024-10-24 09:01:58,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:01:58,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:01:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat