./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-58.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-58.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 8dfd333a197deded50f051f05681be8badfedb284c5ecde2f3aaed978ae8cb1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:56:42,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:56:42,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:56:42,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:56:42,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:56:42,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:56:42,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:56:42,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:56:42,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:56:42,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:56:42,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:56:42,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:56:42,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:56:42,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:56:42,646 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:56:42,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:56:42,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:56:42,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:56:42,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:56:42,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:56:42,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:56:42,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:56:42,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:56:42,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:56:42,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:56:42,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:56:42,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:56:42,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:56:42,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:56:42,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:56:42,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:56:42,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:56:42,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:56:42,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:56:42,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:56:42,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:56:42,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:56:42,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:56:42,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:56:42,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:56:42,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:56:42,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:56:42,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dfd333a197deded50f051f05681be8badfedb284c5ecde2f3aaed978ae8cb1c [2024-10-24 08:56:42,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:56:42,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:56:42,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:56:42,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:56:42,972 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:56:42,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-58.i [2024-10-24 08:56:44,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:56:44,633 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:56:44,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-58.i [2024-10-24 08:56:44,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a6a51ee/8d06f56bcc1e4ee3a9dd41186ff88ea1/FLAG1596800c2 [2024-10-24 08:56:45,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a6a51ee/8d06f56bcc1e4ee3a9dd41186ff88ea1 [2024-10-24 08:56:45,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:56:45,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:56:45,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:56:45,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:56:45,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:56:45,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2628c1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45, skipping insertion in model container [2024-10-24 08:56:45,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:56:45,204 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-58.i[916,929] [2024-10-24 08:56:45,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:56:45,256 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:56:45,268 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-58.i[916,929] [2024-10-24 08:56:45,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:56:45,327 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:56:45,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45 WrapperNode [2024-10-24 08:56:45,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:56:45,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:56:45,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:56:45,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:56:45,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,389 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-10-24 08:56:45,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:56:45,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:56:45,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:56:45,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:56:45,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,431 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 08:56:45,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:56:45,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:56:45,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:56:45,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:56:45,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (1/1) ... [2024-10-24 08:56:45,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:56:45,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:56:45,500 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 08:56:45,504 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 08:56:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:56:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:56:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:56:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:56:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:56:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:56:45,620 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:56:45,622 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:56:45,903 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-24 08:56:45,904 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:56:45,937 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:56:45,938 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:56:45,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:56:45 BoogieIcfgContainer [2024-10-24 08:56:45,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:56:45,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:56:45,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:56:45,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:56:45,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:56:45" (1/3) ... [2024-10-24 08:56:45,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110a367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:56:45, skipping insertion in model container [2024-10-24 08:56:45,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:56:45" (2/3) ... [2024-10-24 08:56:45,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110a367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:56:45, skipping insertion in model container [2024-10-24 08:56:45,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:56:45" (3/3) ... [2024-10-24 08:56:45,950 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-58.i [2024-10-24 08:56:45,968 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:56:45,969 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:56:46,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:56:46,031 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;@4fafd14a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:56:46,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:56:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 08:56:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 08:56:46,045 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:46,046 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:46,046 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:46,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:46,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1958126444, now seen corresponding path program 1 times [2024-10-24 08:56:46,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:46,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063746323] [2024-10-24 08:56:46,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:46,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:56:51,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:51,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063746323] [2024-10-24 08:56:51,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063746323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:51,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:51,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 08:56:51,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000241713] [2024-10-24 08:56:51,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:51,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 08:56:51,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:51,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 08:56:51,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-24 08:56:51,342 INFO L87 Difference]: Start difference. First operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:56:51,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:51,791 INFO L93 Difference]: Finished difference Result 106 states and 181 transitions. [2024-10-24 08:56:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 08:56:51,795 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 92 [2024-10-24 08:56:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:51,803 INFO L225 Difference]: With dead ends: 106 [2024-10-24 08:56:51,804 INFO L226 Difference]: Without dead ends: 65 [2024-10-24 08:56:51,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:56:51,810 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 28 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:51,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 222 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 08:56:51,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-24 08:56:51,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46. [2024-10-24 08:56:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 08:56:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 67 transitions. [2024-10-24 08:56:51,859 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 67 transitions. Word has length 92 [2024-10-24 08:56:51,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:51,861 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 67 transitions. [2024-10-24 08:56:51,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:56:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2024-10-24 08:56:51,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 08:56:51,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:51,867 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:51,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:56:51,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:51,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1148779818, now seen corresponding path program 1 times [2024-10-24 08:56:51,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:51,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942731069] [2024-10-24 08:56:51,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:51,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:56:58,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:58,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942731069] [2024-10-24 08:56:58,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942731069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:58,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:58,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:56:58,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908317246] [2024-10-24 08:56:58,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:58,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:56:58,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:58,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:56:58,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:56:58,791 INFO L87 Difference]: Start difference. First operand 46 states and 67 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:56:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:59,626 INFO L93 Difference]: Finished difference Result 101 states and 143 transitions. [2024-10-24 08:56:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:56:59,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 92 [2024-10-24 08:56:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:59,629 INFO L225 Difference]: With dead ends: 101 [2024-10-24 08:56:59,629 INFO L226 Difference]: Without dead ends: 99 [2024-10-24 08:56:59,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:56:59,631 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 76 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:59,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 201 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 08:56:59,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-24 08:56:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 87. [2024-10-24 08:56:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 54 states have internal predecessors, (69), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:56:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 129 transitions. [2024-10-24 08:56:59,665 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 129 transitions. Word has length 92 [2024-10-24 08:56:59,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:59,666 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 129 transitions. [2024-10-24 08:56:59,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:56:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2024-10-24 08:56:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 08:56:59,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:59,669 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:59,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:56:59,672 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:59,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:59,673 INFO L85 PathProgramCache]: Analyzing trace with hash 563048247, now seen corresponding path program 1 times [2024-10-24 08:56:59,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:59,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740902437] [2024-10-24 08:56:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:59,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:05,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:05,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740902437] [2024-10-24 08:57:05,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740902437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:05,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:05,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:57:05,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792136909] [2024-10-24 08:57:05,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:05,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:57:05,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:05,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:57:05,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:57:05,632 INFO L87 Difference]: Start difference. First operand 87 states and 129 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:06,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:06,379 INFO L93 Difference]: Finished difference Result 110 states and 156 transitions. [2024-10-24 08:57:06,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:57:06,380 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 93 [2024-10-24 08:57:06,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:06,382 INFO L225 Difference]: With dead ends: 110 [2024-10-24 08:57:06,382 INFO L226 Difference]: Without dead ends: 108 [2024-10-24 08:57:06,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:57:06,384 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 31 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:06,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 270 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:57:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-24 08:57:06,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 88. [2024-10-24 08:57:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.290909090909091) internal successors, (71), 55 states have internal predecessors, (71), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2024-10-24 08:57:06,401 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 93 [2024-10-24 08:57:06,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:06,402 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2024-10-24 08:57:06,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2024-10-24 08:57:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 08:57:06,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:06,405 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:06,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:57:06,405 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:06,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:06,406 INFO L85 PathProgramCache]: Analyzing trace with hash 562988665, now seen corresponding path program 1 times [2024-10-24 08:57:06,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:06,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702245322] [2024-10-24 08:57:06,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:06,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:11,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:11,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702245322] [2024-10-24 08:57:11,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702245322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:11,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:11,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:57:11,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462057825] [2024-10-24 08:57:11,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:11,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:57:11,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:11,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:57:11,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:57:11,736 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:12,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:12,146 INFO L93 Difference]: Finished difference Result 108 states and 154 transitions. [2024-10-24 08:57:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:57:12,147 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 93 [2024-10-24 08:57:12,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:12,149 INFO L225 Difference]: With dead ends: 108 [2024-10-24 08:57:12,149 INFO L226 Difference]: Without dead ends: 106 [2024-10-24 08:57:12,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:57:12,150 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 24 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:12,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 205 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 08:57:12,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-24 08:57:12,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 88. [2024-10-24 08:57:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.290909090909091) internal successors, (71), 55 states have internal predecessors, (71), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2024-10-24 08:57:12,166 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 93 [2024-10-24 08:57:12,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:12,172 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2024-10-24 08:57:12,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2024-10-24 08:57:12,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 08:57:12,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:12,174 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:12,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 08:57:12,174 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:12,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:12,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2074109481, now seen corresponding path program 1 times [2024-10-24 08:57:12,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:12,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950451444] [2024-10-24 08:57:12,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:12,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:16,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:16,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950451444] [2024-10-24 08:57:16,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950451444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:16,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:16,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:57:16,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394769198] [2024-10-24 08:57:16,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:16,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:57:16,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:16,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:57:16,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:57:16,809 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:17,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:17,739 INFO L93 Difference]: Finished difference Result 113 states and 161 transitions. [2024-10-24 08:57:17,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:57:17,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 93 [2024-10-24 08:57:17,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:17,741 INFO L225 Difference]: With dead ends: 113 [2024-10-24 08:57:17,741 INFO L226 Difference]: Without dead ends: 111 [2024-10-24 08:57:17,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:57:17,742 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 23 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:17,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 192 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 08:57:17,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-24 08:57:17,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 91. [2024-10-24 08:57:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 58 states have internal predecessors, (76), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions. [2024-10-24 08:57:17,763 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 93 [2024-10-24 08:57:17,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:17,764 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 136 transitions. [2024-10-24 08:57:17,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2024-10-24 08:57:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 08:57:17,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:17,766 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:17,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 08:57:17,766 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:17,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:17,767 INFO L85 PathProgramCache]: Analyzing trace with hash -2016851179, now seen corresponding path program 1 times [2024-10-24 08:57:17,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:17,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481237974] [2024-10-24 08:57:17,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:17,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:22,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:22,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481237974] [2024-10-24 08:57:22,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481237974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:22,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:22,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:57:22,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216496663] [2024-10-24 08:57:22,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:22,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:57:22,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:22,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:57:22,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:57:22,159 INFO L87 Difference]: Start difference. First operand 91 states and 136 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:22,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:22,796 INFO L93 Difference]: Finished difference Result 113 states and 161 transitions. [2024-10-24 08:57:22,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:57:22,800 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 93 [2024-10-24 08:57:22,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:22,803 INFO L225 Difference]: With dead ends: 113 [2024-10-24 08:57:22,803 INFO L226 Difference]: Without dead ends: 111 [2024-10-24 08:57:22,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:57:22,804 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 24 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:22,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 262 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 08:57:22,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-24 08:57:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 91. [2024-10-24 08:57:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 58 states have internal predecessors, (76), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions. [2024-10-24 08:57:22,817 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 93 [2024-10-24 08:57:22,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:22,818 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 136 transitions. [2024-10-24 08:57:22,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2024-10-24 08:57:22,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 08:57:22,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:22,820 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:22,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 08:57:22,820 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:22,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:22,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1243106617, now seen corresponding path program 1 times [2024-10-24 08:57:22,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:22,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614211865] [2024-10-24 08:57:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:22,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:30,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:30,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614211865] [2024-10-24 08:57:30,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614211865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:30,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:30,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 08:57:30,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445739922] [2024-10-24 08:57:30,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:30,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 08:57:30,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:30,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 08:57:30,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:57:30,247 INFO L87 Difference]: Start difference. First operand 91 states and 136 transitions. Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:32,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:32,378 INFO L93 Difference]: Finished difference Result 101 states and 146 transitions. [2024-10-24 08:57:32,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 08:57:32,380 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 93 [2024-10-24 08:57:32,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:32,381 INFO L225 Difference]: With dead ends: 101 [2024-10-24 08:57:32,381 INFO L226 Difference]: Without dead ends: 99 [2024-10-24 08:57:32,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-10-24 08:57:32,386 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 71 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:32,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 208 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 08:57:32,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-24 08:57:32,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2024-10-24 08:57:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 59 states have internal predecessors, (78), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 138 transitions. [2024-10-24 08:57:32,406 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 138 transitions. Word has length 93 [2024-10-24 08:57:32,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:32,407 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 138 transitions. [2024-10-24 08:57:32,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 138 transitions. [2024-10-24 08:57:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 08:57:32,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:32,408 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:32,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 08:57:32,409 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:32,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:32,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1394051111, now seen corresponding path program 1 times [2024-10-24 08:57:32,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:32,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7407853] [2024-10-24 08:57:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:32,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:32,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:32,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7407853] [2024-10-24 08:57:32,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7407853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:32,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:32,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 08:57:32,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667679710] [2024-10-24 08:57:32,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:32,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 08:57:32,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:32,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 08:57:32,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:57:32,606 INFO L87 Difference]: Start difference. First operand 92 states and 138 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:32,712 INFO L93 Difference]: Finished difference Result 177 states and 265 transitions. [2024-10-24 08:57:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:57:32,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 93 [2024-10-24 08:57:32,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:32,716 INFO L225 Difference]: With dead ends: 177 [2024-10-24 08:57:32,716 INFO L226 Difference]: Without dead ends: 86 [2024-10-24 08:57:32,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:57:32,717 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 28 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:32,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 133 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:57:32,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-24 08:57:32,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-10-24 08:57:32,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 53 states have internal predecessors, (67), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 127 transitions. [2024-10-24 08:57:32,735 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 127 transitions. Word has length 93 [2024-10-24 08:57:32,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:32,736 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 127 transitions. [2024-10-24 08:57:32,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:32,737 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 127 transitions. [2024-10-24 08:57:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 08:57:32,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:32,738 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:32,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 08:57:32,738 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:32,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:32,739 INFO L85 PathProgramCache]: Analyzing trace with hash 117786156, now seen corresponding path program 1 times [2024-10-24 08:57:32,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:32,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624675290] [2024-10-24 08:57:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:32,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:37,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:37,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624675290] [2024-10-24 08:57:37,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624675290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:37,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:37,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 08:57:37,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950398117] [2024-10-24 08:57:37,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:37,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 08:57:37,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:37,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 08:57:37,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:57:37,052 INFO L87 Difference]: Start difference. First operand 86 states and 127 transitions. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:38,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:38,746 INFO L93 Difference]: Finished difference Result 110 states and 154 transitions. [2024-10-24 08:57:38,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 08:57:38,747 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 94 [2024-10-24 08:57:38,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:38,748 INFO L225 Difference]: With dead ends: 110 [2024-10-24 08:57:38,748 INFO L226 Difference]: Without dead ends: 108 [2024-10-24 08:57:38,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-10-24 08:57:38,749 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 28 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:38,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 306 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 08:57:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-24 08:57:38,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 89. [2024-10-24 08:57:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 56 states have internal predecessors, (72), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 132 transitions. [2024-10-24 08:57:38,758 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 132 transitions. Word has length 94 [2024-10-24 08:57:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:38,760 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 132 transitions. [2024-10-24 08:57:38,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:38,760 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2024-10-24 08:57:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 08:57:38,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:38,761 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:38,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 08:57:38,761 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:38,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:38,762 INFO L85 PathProgramCache]: Analyzing trace with hash 117726574, now seen corresponding path program 1 times [2024-10-24 08:57:38,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:38,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320831608] [2024-10-24 08:57:38,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:38,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:44,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:44,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320831608] [2024-10-24 08:57:44,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320831608] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:44,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:44,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 08:57:44,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733689011] [2024-10-24 08:57:44,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:44,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 08:57:44,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:44,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 08:57:44,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:57:44,287 INFO L87 Difference]: Start difference. First operand 89 states and 132 transitions. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:46,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:46,282 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2024-10-24 08:57:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 08:57:46,282 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 94 [2024-10-24 08:57:46,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:46,284 INFO L225 Difference]: With dead ends: 106 [2024-10-24 08:57:46,284 INFO L226 Difference]: Without dead ends: 104 [2024-10-24 08:57:46,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-10-24 08:57:46,286 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 23 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:46,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 304 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 08:57:46,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-24 08:57:46,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 86. [2024-10-24 08:57:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 53 states have internal predecessors, (67), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 127 transitions. [2024-10-24 08:57:46,301 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 127 transitions. Word has length 94 [2024-10-24 08:57:46,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:46,302 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 127 transitions. [2024-10-24 08:57:46,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 127 transitions. [2024-10-24 08:57:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 08:57:46,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:46,303 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:46,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 08:57:46,303 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:46,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:46,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1892793518, now seen corresponding path program 1 times [2024-10-24 08:57:46,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:46,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40987030] [2024-10-24 08:57:46,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:57:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:57:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:57:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:57:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:57:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:57:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:57:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:57:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:57:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:57:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:57:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:57:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:57:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:57:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:57:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:57:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-24 08:57:55,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:57:55,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40987030] [2024-10-24 08:57:55,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40987030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:57:55,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:57:55,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 08:57:55,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515949624] [2024-10-24 08:57:55,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:57:55,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 08:57:55,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:57:55,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 08:57:55,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:57:55,316 INFO L87 Difference]: Start difference. First operand 86 states and 127 transitions. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:56,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:57:56,558 INFO L93 Difference]: Finished difference Result 97 states and 139 transitions. [2024-10-24 08:57:56,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 08:57:56,558 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 94 [2024-10-24 08:57:56,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:57:56,559 INFO L225 Difference]: With dead ends: 97 [2024-10-24 08:57:56,559 INFO L226 Difference]: Without dead ends: 95 [2024-10-24 08:57:56,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:57:56,560 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:57:56,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 289 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 08:57:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-24 08:57:56,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 84. [2024-10-24 08:57:56,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 51 states have internal predecessors, (64), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-24 08:57:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2024-10-24 08:57:56,569 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 94 [2024-10-24 08:57:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:57:56,569 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2024-10-24 08:57:56,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 08:57:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2024-10-24 08:57:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-24 08:57:56,571 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:57:56,572 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:57:56,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 08:57:56,572 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:57:56,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:57:56,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1914521633, now seen corresponding path program 1 times [2024-10-24 08:57:56,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:57:56,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312373475] [2024-10-24 08:57:56,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:57:56,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:57:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:58:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:58:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:58:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:58:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:58:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:58:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:58:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:58:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:58:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:58:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:58:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:58:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:58:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:58:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:58:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 08:58:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 08:58:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 08:58:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 08:58:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 08:58:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 08:58:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 08:58:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 08:58:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 08:58:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 08:58:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 08:58:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 08:58:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 08:58:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 08:58:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 08:58:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-24 08:58:01,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:58:01,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312373475] [2024-10-24 08:58:01,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312373475] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 08:58:01,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534564888] [2024-10-24 08:58:01,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:58:01,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:58:01,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:58:01,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 08:58:01,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:58:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:58:02,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 08:58:02,121 INFO L278 TraceCheckSpWp]: Computing forward predicates...