./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 5d0383a4e6cd736ce942b7c7434972bd19bfcd72f59366bdeede374768e8834f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:12:23,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:12:23,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:12:23,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:12:23,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:12:23,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:12:23,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:12:23,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:12:23,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:12:23,939 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:12:23,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:12:23,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:12:23,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:12:23,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:12:23,941 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:12:23,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:12:23,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:12:23,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:12:23,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:12:23,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:12:23,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:12:23,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:12:23,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:12:23,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:12:23,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:12:23,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:12:23,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:12:23,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:12:23,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:12:23,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:12:23,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:12:23,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:12:23,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:12:23,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:12:23,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:12:23,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:12:23,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:12:23,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:12:23,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:12:23,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:12:23,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:12:23,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:12:23,955 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d0383a4e6cd736ce942b7c7434972bd19bfcd72f59366bdeede374768e8834f [2024-10-11 09:12:24,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:12:24,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:12:24,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:12:24,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:12:24,209 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:12:24,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-10-11 09:12:25,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:12:25,738 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:12:25,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-10-11 09:12:25,746 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ac3da7685/c8916945df314d7cb04ede30cddba3ae/FLAGe78c543b3 [2024-10-11 09:12:25,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ac3da7685/c8916945df314d7cb04ede30cddba3ae [2024-10-11 09:12:25,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:12:25,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:12:25,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:12:25,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:12:25,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:12:25,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:12:25" (1/1) ... [2024-10-11 09:12:25,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346fa7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:25, skipping insertion in model container [2024-10-11 09:12:25,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:12:25" (1/1) ... [2024-10-11 09:12:25,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:12:25,968 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_fillercode_fillercodestructure_filler-pe-cn_file-86.i[919,932] [2024-10-11 09:12:26,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:12:26,053 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:12:26,089 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_fillercode_fillercodestructure_filler-pe-cn_file-86.i[919,932] [2024-10-11 09:12:26,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:12:26,169 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:12:26,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26 WrapperNode [2024-10-11 09:12:26,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:12:26,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:12:26,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:12:26,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:12:26,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,236 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-10-11 09:12:26,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:12:26,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:12:26,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:12:26,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:12:26,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,272 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]. [2024-10-11 09:12:26,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:12:26,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:12:26,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:12:26,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:12:26,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (1/1) ... [2024-10-11 09:12:26,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:12:26,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:12:26,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 09:12:26,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 09:12:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:12:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:12:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:12:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:12:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:12:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:12:26,515 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:12:26,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:12:26,947 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-11 09:12:26,947 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:12:26,992 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:12:26,993 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:12:26,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:12:26 BoogieIcfgContainer [2024-10-11 09:12:26,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:12:26,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:12:26,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:12:26,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:12:26,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:12:25" (1/3) ... [2024-10-11 09:12:27,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e299442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:12:27, skipping insertion in model container [2024-10-11 09:12:27,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:12:26" (2/3) ... [2024-10-11 09:12:27,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e299442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:12:27, skipping insertion in model container [2024-10-11 09:12:27,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:12:26" (3/3) ... [2024-10-11 09:12:27,002 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-10-11 09:12:27,015 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:12:27,016 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:12:27,065 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:12:27,071 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;@19eed885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:12:27,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:12:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 64 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 09:12:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-11 09:12:27,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:27,091 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:27,092 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:27,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:27,105 INFO L85 PathProgramCache]: Analyzing trace with hash 214037025, now seen corresponding path program 1 times [2024-10-11 09:12:27,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:27,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318028793] [2024-10-11 09:12:27,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:27,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:12:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:12:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:12:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:12:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:12:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:12:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:12:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:12:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:12:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:12:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:12:27,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:27,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318028793] [2024-10-11 09:12:27,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318028793] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:27,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:27,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:12:27,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288240305] [2024-10-11 09:12:27,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:27,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:12:27,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:27,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:12:27,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:12:27,638 INFO L87 Difference]: Start difference. First operand has 97 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 64 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 09:12:27,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:27,684 INFO L93 Difference]: Finished difference Result 191 states and 345 transitions. [2024-10-11 09:12:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:12:27,688 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2024-10-11 09:12:27,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:27,722 INFO L225 Difference]: With dead ends: 191 [2024-10-11 09:12:27,723 INFO L226 Difference]: Without dead ends: 95 [2024-10-11 09:12:27,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:12:27,744 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:27,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:12:27,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-11 09:12:27,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-11 09:12:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 62 states have internal predecessors, (90), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 09:12:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 152 transitions. [2024-10-11 09:12:27,834 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 152 transitions. Word has length 192 [2024-10-11 09:12:27,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:27,836 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 152 transitions. [2024-10-11 09:12:27,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 09:12:27,837 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2024-10-11 09:12:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-11 09:12:27,840 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:27,841 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:27,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:12:27,841 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:27,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:27,842 INFO L85 PathProgramCache]: Analyzing trace with hash 561584739, now seen corresponding path program 1 times [2024-10-11 09:12:27,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:27,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715056044] [2024-10-11 09:12:27,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:27,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:12:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:12:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:12:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:12:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:12:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:12:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:12:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:12:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:12:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:12:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:12:28,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:28,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715056044] [2024-10-11 09:12:28,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715056044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:28,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:28,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:12:28,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49926787] [2024-10-11 09:12:28,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:28,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:12:28,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:28,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:12:28,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:12:28,208 INFO L87 Difference]: Start difference. First operand 95 states and 152 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:28,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:28,258 INFO L93 Difference]: Finished difference Result 190 states and 305 transitions. [2024-10-11 09:12:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:12:28,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-11 09:12:28,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:28,262 INFO L225 Difference]: With dead ends: 190 [2024-10-11 09:12:28,262 INFO L226 Difference]: Without dead ends: 96 [2024-10-11 09:12:28,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:12:28,265 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:28,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:12:28,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-11 09:12:28,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-11 09:12:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 63 states have internal predecessors, (91), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 09:12:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-11 09:12:28,278 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 192 [2024-10-11 09:12:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:28,279 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-11 09:12:28,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-11 09:12:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-11 09:12:28,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:28,285 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:28,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:12:28,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:28,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:28,286 INFO L85 PathProgramCache]: Analyzing trace with hash 618843041, now seen corresponding path program 1 times [2024-10-11 09:12:28,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:28,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197026412] [2024-10-11 09:12:28,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:28,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:12:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:12:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:12:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:12:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:12:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:12:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:12:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:12:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:12:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:12:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:12:28,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:28,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197026412] [2024-10-11 09:12:28,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197026412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:28,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:28,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:12:28,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684005048] [2024-10-11 09:12:28,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:28,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:12:28,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:28,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:12:28,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:12:28,643 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:28,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:28,875 INFO L93 Difference]: Finished difference Result 287 states and 458 transitions. [2024-10-11 09:12:28,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:12:28,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-11 09:12:28,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:28,879 INFO L225 Difference]: With dead ends: 287 [2024-10-11 09:12:28,879 INFO L226 Difference]: Without dead ends: 192 [2024-10-11 09:12:28,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:12:28,881 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 112 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:28,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 519 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:12:28,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-11 09:12:28,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 148. [2024-10-11 09:12:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 09:12:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 235 transitions. [2024-10-11 09:12:28,902 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 235 transitions. Word has length 192 [2024-10-11 09:12:28,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:28,903 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 235 transitions. [2024-10-11 09:12:28,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 235 transitions. [2024-10-11 09:12:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-11 09:12:28,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:28,906 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:28,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:12:28,906 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:28,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:28,906 INFO L85 PathProgramCache]: Analyzing trace with hash -198805409, now seen corresponding path program 1 times [2024-10-11 09:12:28,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:28,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220884656] [2024-10-11 09:12:28,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:28,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:12:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:12:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:12:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:12:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:12:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:12:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:12:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:12:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:12:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:12:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:12:35,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:35,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220884656] [2024-10-11 09:12:35,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220884656] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:35,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:35,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 09:12:35,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457271735] [2024-10-11 09:12:35,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:35,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 09:12:35,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:35,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 09:12:35,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-11 09:12:35,268 INFO L87 Difference]: Start difference. First operand 148 states and 235 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:37,354 INFO L93 Difference]: Finished difference Result 430 states and 683 transitions. [2024-10-11 09:12:37,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 09:12:37,357 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-11 09:12:37,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:37,359 INFO L225 Difference]: With dead ends: 430 [2024-10-11 09:12:37,359 INFO L226 Difference]: Without dead ends: 335 [2024-10-11 09:12:37,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-10-11 09:12:37,369 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 621 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:37,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 1162 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 09:12:37,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-11 09:12:37,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 189. [2024-10-11 09:12:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 09:12:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 299 transitions. [2024-10-11 09:12:37,419 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 299 transitions. Word has length 192 [2024-10-11 09:12:37,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:37,419 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 299 transitions. [2024-10-11 09:12:37,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 299 transitions. [2024-10-11 09:12:37,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-11 09:12:37,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:37,425 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:37,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 09:12:37,426 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:37,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:37,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1787153311, now seen corresponding path program 1 times [2024-10-11 09:12:37,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:37,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230200420] [2024-10-11 09:12:37,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:37,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:12:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:12:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:12:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:12:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:12:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:12:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:12:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:12:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:12:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:12:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:12:37,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:37,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230200420] [2024-10-11 09:12:37,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230200420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:37,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:37,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:12:37,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788049582] [2024-10-11 09:12:37,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:37,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:12:37,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:37,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:12:37,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:12:37,554 INFO L87 Difference]: Start difference. First operand 189 states and 299 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:37,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:37,597 INFO L93 Difference]: Finished difference Result 378 states and 601 transitions. [2024-10-11 09:12:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:12:37,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-11 09:12:37,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:37,600 INFO L225 Difference]: With dead ends: 378 [2024-10-11 09:12:37,600 INFO L226 Difference]: Without dead ends: 283 [2024-10-11 09:12:37,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:12:37,604 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 144 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:37,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 342 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:12:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-11 09:12:37,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2024-10-11 09:12:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 184 states have (on average 1.4076086956521738) internal successors, (259), 184 states have internal predecessors, (259), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:12:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 445 transitions. [2024-10-11 09:12:37,641 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 445 transitions. Word has length 192 [2024-10-11 09:12:37,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:37,642 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 445 transitions. [2024-10-11 09:12:37,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 445 transitions. [2024-10-11 09:12:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-11 09:12:37,645 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:37,645 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:37,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 09:12:37,646 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:37,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1566842337, now seen corresponding path program 1 times [2024-10-11 09:12:37,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:37,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218597099] [2024-10-11 09:12:37,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:12:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:12:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:12:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:12:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:12:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:12:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:12:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:12:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:12:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:12:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:12:42,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:42,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218597099] [2024-10-11 09:12:42,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218597099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:42,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:42,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-11 09:12:42,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455912245] [2024-10-11 09:12:42,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:42,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 09:12:42,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:42,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 09:12:42,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-10-11 09:12:42,183 INFO L87 Difference]: Start difference. First operand 281 states and 445 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-11 09:12:46,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:46,227 INFO L93 Difference]: Finished difference Result 427 states and 667 transitions. [2024-10-11 09:12:46,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 09:12:46,228 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 193 [2024-10-11 09:12:46,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:46,231 INFO L225 Difference]: With dead ends: 427 [2024-10-11 09:12:46,231 INFO L226 Difference]: Without dead ends: 425 [2024-10-11 09:12:46,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2024-10-11 09:12:46,233 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1221 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:46,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1303 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-11 09:12:46,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-11 09:12:46,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 282. [2024-10-11 09:12:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 185 states have internal predecessors, (260), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:12:46,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 446 transitions. [2024-10-11 09:12:46,257 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 446 transitions. Word has length 193 [2024-10-11 09:12:46,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:46,257 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 446 transitions. [2024-10-11 09:12:46,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-11 09:12:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 446 transitions. [2024-10-11 09:12:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-11 09:12:46,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:46,259 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:46,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 09:12:46,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:46,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:46,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1654938951, now seen corresponding path program 1 times [2024-10-11 09:12:46,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:46,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640609865] [2024-10-11 09:12:46,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:12:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:12:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:12:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:12:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:12:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:12:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:12:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:12:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:12:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:12:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:12:46,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:46,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640609865] [2024-10-11 09:12:46,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640609865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:46,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:46,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:12:46,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725572544] [2024-10-11 09:12:46,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:46,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:12:46,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:46,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:12:46,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:12:46,438 INFO L87 Difference]: Start difference. First operand 282 states and 446 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:46,467 INFO L93 Difference]: Finished difference Result 530 states and 843 transitions. [2024-10-11 09:12:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:12:46,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-11 09:12:46,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:46,471 INFO L225 Difference]: With dead ends: 530 [2024-10-11 09:12:46,471 INFO L226 Difference]: Without dead ends: 340 [2024-10-11 09:12:46,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:12:46,472 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 47 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:46,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 431 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:12:46,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-11 09:12:46,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 282. [2024-10-11 09:12:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 185 states have (on average 1.3891891891891892) internal successors, (257), 185 states have internal predecessors, (257), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:12:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 443 transitions. [2024-10-11 09:12:46,497 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 443 transitions. Word has length 193 [2024-10-11 09:12:46,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:46,499 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 443 transitions. [2024-10-11 09:12:46,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:12:46,499 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 443 transitions. [2024-10-11 09:12:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-11 09:12:46,500 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:46,500 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:46,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 09:12:46,500 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:46,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:46,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2053222331, now seen corresponding path program 1 times [2024-10-11 09:12:46,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:46,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992274505] [2024-10-11 09:12:46,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:46,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:12:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:12:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:12:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:12:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:12:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:12:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:12:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:12:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:12:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:12:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:12:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:12:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:12:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:12:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:12:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:12:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:12:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:12:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:12:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:12:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:12:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:12:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:12:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:12:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:12:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:12:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:12:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:12:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:12:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:12:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:12:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:12:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:12:53,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:12:53,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992274505] [2024-10-11 09:12:53,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992274505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:12:53,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:12:53,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-11 09:12:53,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592572838] [2024-10-11 09:12:53,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:12:53,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 09:12:53,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:12:53,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 09:12:53,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-11 09:12:53,398 INFO L87 Difference]: Start difference. First operand 282 states and 443 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 09:12:58,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:12:58,550 INFO L93 Difference]: Finished difference Result 427 states and 662 transitions. [2024-10-11 09:12:58,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 09:12:58,551 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 193 [2024-10-11 09:12:58,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:12:58,553 INFO L225 Difference]: With dead ends: 427 [2024-10-11 09:12:58,553 INFO L226 Difference]: Without dead ends: 425 [2024-10-11 09:12:58,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2024-10-11 09:12:58,555 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 700 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:12:58,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 1517 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 09:12:58,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-11 09:12:58,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 282. [2024-10-11 09:12:58,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 185 states have (on average 1.3891891891891892) internal successors, (257), 185 states have internal predecessors, (257), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:12:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 443 transitions. [2024-10-11 09:12:58,593 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 443 transitions. Word has length 193 [2024-10-11 09:12:58,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:12:58,594 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 443 transitions. [2024-10-11 09:12:58,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 09:12:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 443 transitions. [2024-10-11 09:12:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-11 09:12:58,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:12:58,597 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:12:58,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 09:12:58,597 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:12:58,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:12:58,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1827897448, now seen corresponding path program 1 times [2024-10-11 09:12:58,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:12:58,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565711196] [2024-10-11 09:12:58,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:12:58,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:12:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:13:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:01,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:13:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:13:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:13:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:01,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:13:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:13:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:13:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:13:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:13:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:13:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:13:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:13:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:13:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:13:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:13:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:13:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:13:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:13:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:13:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:13:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:13:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:13:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:13:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:13:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:13:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:13:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:13:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:13:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:13:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:13:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:13:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:13:02,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:13:02,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565711196] [2024-10-11 09:13:02,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565711196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:13:02,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:13:02,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 09:13:02,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091835903] [2024-10-11 09:13:02,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:13:02,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 09:13:02,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:13:02,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 09:13:02,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-11 09:13:02,113 INFO L87 Difference]: Start difference. First operand 282 states and 443 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:13:04,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:13:04,238 INFO L93 Difference]: Finished difference Result 496 states and 768 transitions. [2024-10-11 09:13:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 09:13:04,239 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-11 09:13:04,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:13:04,242 INFO L225 Difference]: With dead ends: 496 [2024-10-11 09:13:04,242 INFO L226 Difference]: Without dead ends: 494 [2024-10-11 09:13:04,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=243, Invalid=569, Unknown=0, NotChecked=0, Total=812 [2024-10-11 09:13:04,244 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 663 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 09:13:04,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1234 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 09:13:04,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-10-11 09:13:04,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 316. [2024-10-11 09:13:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 219 states have (on average 1.4200913242009132) internal successors, (311), 219 states have internal predecessors, (311), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:13:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 497 transitions. [2024-10-11 09:13:04,273 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 497 transitions. Word has length 193 [2024-10-11 09:13:04,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:13:04,273 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 497 transitions. [2024-10-11 09:13:04,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:13:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 497 transitions. [2024-10-11 09:13:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-11 09:13:04,275 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:13:04,276 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:13:04,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 09:13:04,276 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:13:04,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:13:04,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1187206170, now seen corresponding path program 1 times [2024-10-11 09:13:04,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:13:04,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505938716] [2024-10-11 09:13:04,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:13:04,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:13:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:13:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:13:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:13:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:13:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:13:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:13:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:13:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:13:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:13:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:13:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:13:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:13:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:13:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:13:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:13:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:13:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:13:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:13:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:13:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:13:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:13:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:13:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:13:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:13:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:13:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:13:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:13:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:13:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:13:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:13:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:13:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:13:08,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:13:08,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505938716] [2024-10-11 09:13:08,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505938716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:13:08,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:13:08,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 09:13:08,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904319693] [2024-10-11 09:13:08,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:13:08,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 09:13:08,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:13:08,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 09:13:08,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-10-11 09:13:08,643 INFO L87 Difference]: Start difference. First operand 316 states and 497 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:13:11,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:13:11,131 INFO L93 Difference]: Finished difference Result 490 states and 762 transitions. [2024-10-11 09:13:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 09:13:11,133 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-11 09:13:11,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:13:11,135 INFO L225 Difference]: With dead ends: 490 [2024-10-11 09:13:11,135 INFO L226 Difference]: Without dead ends: 488 [2024-10-11 09:13:11,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=261, Invalid=609, Unknown=0, NotChecked=0, Total=870 [2024-10-11 09:13:11,137 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 710 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:13:11,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 1105 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 09:13:11,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-11 09:13:11,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 316. [2024-10-11 09:13:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 219 states have (on average 1.4200913242009132) internal successors, (311), 219 states have internal predecessors, (311), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:13:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 497 transitions. [2024-10-11 09:13:11,157 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 497 transitions. Word has length 193 [2024-10-11 09:13:11,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:13:11,157 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 497 transitions. [2024-10-11 09:13:11,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:13:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 497 transitions. [2024-10-11 09:13:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-11 09:13:11,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:13:11,159 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:13:11,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 09:13:11,159 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:13:11,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:13:11,160 INFO L85 PathProgramCache]: Analyzing trace with hash -473459133, now seen corresponding path program 1 times [2024-10-11 09:13:11,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:13:11,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821656216] [2024-10-11 09:13:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:13:11,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:13:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:13:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:13:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:13:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:13:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:13:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:13:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:13:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:13:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:13:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:13:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:13:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:13:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:13:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:13:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:13:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:13:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:13:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:13:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:13:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:13:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:13:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:13:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:13:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:13:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:13:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:13:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:13:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:13:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:13:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:13:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:13:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:13:16,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:13:16,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821656216] [2024-10-11 09:13:16,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821656216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:13:16,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:13:16,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-11 09:13:16,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500871206] [2024-10-11 09:13:16,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:13:16,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 09:13:16,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:13:16,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 09:13:16,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-10-11 09:13:16,260 INFO L87 Difference]: Start difference. First operand 316 states and 497 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:13:20,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:13:20,963 INFO L93 Difference]: Finished difference Result 483 states and 753 transitions. [2024-10-11 09:13:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 09:13:20,965 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-10-11 09:13:20,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:13:20,968 INFO L225 Difference]: With dead ends: 483 [2024-10-11 09:13:20,968 INFO L226 Difference]: Without dead ends: 481 [2024-10-11 09:13:20,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=285, Invalid=905, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 09:13:20,970 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 819 mSDsluCounter, 1705 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:13:20,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1966 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 09:13:20,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-11 09:13:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 313. [2024-10-11 09:13:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 216 states have (on average 1.4212962962962963) internal successors, (307), 216 states have internal predecessors, (307), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:13:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 493 transitions. [2024-10-11 09:13:20,997 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 493 transitions. Word has length 194 [2024-10-11 09:13:20,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:13:20,998 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 493 transitions. [2024-10-11 09:13:20,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:13:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 493 transitions. [2024-10-11 09:13:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-11 09:13:21,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:13:21,001 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:13:21,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 09:13:21,001 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:13:21,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:13:21,002 INFO L85 PathProgramCache]: Analyzing trace with hash 171976584, now seen corresponding path program 1 times [2024-10-11 09:13:21,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:13:21,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416542055] [2024-10-11 09:13:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:13:21,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:13:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:13:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:13:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:13:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:13:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:13:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:13:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:13:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:13:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:13:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:13:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:13:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:13:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:13:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:13:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:13:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:13:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:13:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:13:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:13:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:13:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:13:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:13:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:13:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:13:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:13:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:13:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:13:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:13:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:13:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:13:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:13:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:13:25,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:13:25,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416542055] [2024-10-11 09:13:25,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416542055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:13:25,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:13:25,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-11 09:13:25,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843143347] [2024-10-11 09:13:25,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:13:25,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 09:13:25,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:13:25,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 09:13:25,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2024-10-11 09:13:25,340 INFO L87 Difference]: Start difference. First operand 313 states and 493 transitions. Second operand has 17 states, 16 states have (on average 2.625) internal successors, (42), 17 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 09:13:28,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:13:28,285 INFO L93 Difference]: Finished difference Result 491 states and 763 transitions. [2024-10-11 09:13:28,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 09:13:28,286 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 17 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 194 [2024-10-11 09:13:28,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:13:28,288 INFO L225 Difference]: With dead ends: 491 [2024-10-11 09:13:28,288 INFO L226 Difference]: Without dead ends: 489 [2024-10-11 09:13:28,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 09:13:28,289 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 783 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:13:28,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1656 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 09:13:28,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-10-11 09:13:28,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 318. [2024-10-11 09:13:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 221 states have (on average 1.420814479638009) internal successors, (314), 221 states have internal predecessors, (314), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:13:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 500 transitions. [2024-10-11 09:13:28,307 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 500 transitions. Word has length 194 [2024-10-11 09:13:28,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:13:28,308 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 500 transitions. [2024-10-11 09:13:28,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 17 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 09:13:28,308 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 500 transitions. [2024-10-11 09:13:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-11 09:13:28,309 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:13:28,309 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:13:28,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 09:13:28,310 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:13:28,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:13:28,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1203990622, now seen corresponding path program 1 times [2024-10-11 09:13:28,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:13:28,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241912422] [2024-10-11 09:13:28,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:13:28,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:13:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:13:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:13:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:13:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:13:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:13:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:13:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:13:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:13:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:13:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:13:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:13:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:13:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:13:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:13:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:13:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:13:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:13:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:13:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:13:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:13:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:13:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:13:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:13:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:13:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:13:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:13:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:13:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:13:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:13:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:13:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:13:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:13:32,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:13:32,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241912422] [2024-10-11 09:13:32,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241912422] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:13:32,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:13:32,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 09:13:32,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037801418] [2024-10-11 09:13:32,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:13:32,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 09:13:32,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:13:32,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 09:13:32,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-11 09:13:32,490 INFO L87 Difference]: Start difference. First operand 318 states and 500 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:13:35,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:13:35,705 INFO L93 Difference]: Finished difference Result 520 states and 809 transitions. [2024-10-11 09:13:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 09:13:35,706 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-10-11 09:13:35,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:13:35,709 INFO L225 Difference]: With dead ends: 520 [2024-10-11 09:13:35,709 INFO L226 Difference]: Without dead ends: 518 [2024-10-11 09:13:35,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=348, Invalid=842, Unknown=0, NotChecked=0, Total=1190 [2024-10-11 09:13:35,710 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 722 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:13:35,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 1577 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 09:13:35,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-10-11 09:13:35,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 319. [2024-10-11 09:13:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 222 states have (on average 1.4189189189189189) internal successors, (315), 222 states have internal predecessors, (315), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-11 09:13:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 501 transitions. [2024-10-11 09:13:35,726 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 501 transitions. Word has length 194 [2024-10-11 09:13:35,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:13:35,727 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 501 transitions. [2024-10-11 09:13:35,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 09:13:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 501 transitions. [2024-10-11 09:13:35,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-11 09:13:35,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:13:35,728 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:13:35,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 09:13:35,728 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:13:35,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:13:35,728 INFO L85 PathProgramCache]: Analyzing trace with hash -849091770, now seen corresponding path program 1 times [2024-10-11 09:13:35,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:13:35,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315273486] [2024-10-11 09:13:35,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:13:35,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:13:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:13:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:13:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:13:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:13:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:13:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:13:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:13:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:13:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:13:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:13:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:13:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:13:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:13:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:13:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 09:13:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:13:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 09:13:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:13:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 09:13:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:13:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 09:13:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:13:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 09:13:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:13:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 09:13:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:13:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 09:13:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:13:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 09:13:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:13:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 09:13:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:13:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 09:13:45,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:13:45,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315273486] [2024-10-11 09:13:45,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315273486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:13:45,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:13:45,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-11 09:13:45,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287585273] [2024-10-11 09:13:45,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:13:45,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 09:13:45,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:13:45,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 09:13:45,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-11 09:13:45,958 INFO L87 Difference]: Start difference. First operand 319 states and 501 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)