./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-ps-co_file-81.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-ps-co_file-81.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 efef9fe37e22accb878733580a57fa075eb75a906afbc039a6b0766829c26689 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:27:53,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:27:53,836 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:27:53,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:27:53,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:27:53,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:27:53,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:27:53,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:27:53,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:27:53,873 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:27:53,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:27:53,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:27:53,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:27:53,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:27:53,877 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:27:53,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:27:53,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:27:53,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:27:53,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:27:53,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:27:53,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:27:53,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:27:53,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:27:53,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:27:53,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:27:53,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:27:53,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:27:53,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:27:53,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:27:53,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:27:53,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:27:53,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:27:53,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:27:53,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:27:53,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:27:53,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:27:53,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:27:53,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:27:53,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:27:53,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:27:53,887 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:27:53,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:27:53,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efef9fe37e22accb878733580a57fa075eb75a906afbc039a6b0766829c26689 [2024-10-11 10:27:54,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:27:54,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:27:54,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:27:54,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:27:54,153 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:27:54,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-10-11 10:27:55,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:27:55,787 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:27:55,791 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-10-11 10:27:55,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8b1211142/295fbcb151f240509095bff4d5438bb1/FLAG0f5ab76d7 [2024-10-11 10:27:55,815 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8b1211142/295fbcb151f240509095bff4d5438bb1 [2024-10-11 10:27:55,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:27:55,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:27:55,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:27:55,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:27:55,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:27:55,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:27:55" (1/1) ... [2024-10-11 10:27:55,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a53f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:55, skipping insertion in model container [2024-10-11 10:27:55,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:27:55" (1/1) ... [2024-10-11 10:27:55,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:27:56,000 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-ps-co_file-81.i[919,932] [2024-10-11 10:27:56,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:27:56,097 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:27:56,109 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-ps-co_file-81.i[919,932] [2024-10-11 10:27:56,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:27:56,202 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:27:56,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56 WrapperNode [2024-10-11 10:27:56,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:27:56,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:27:56,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:27:56,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:27:56,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,267 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-10-11 10:27:56,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:27:56,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:27:56,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:27:56,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:27:56,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,288 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,326 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 10:27:56,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:27:56,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:27:56,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:27:56,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:27:56,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (1/1) ... [2024-10-11 10:27:56,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:27:56,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:27:56,415 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 10:27:56,418 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 10:27:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:27:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:27:56,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:27:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:27:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:27:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:27:56,538 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:27:56,540 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:27:57,130 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 10:27:57,130 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:27:57,191 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:27:57,196 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:27:57,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:27:57 BoogieIcfgContainer [2024-10-11 10:27:57,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:27:57,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:27:57,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:27:57,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:27:57,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:27:55" (1/3) ... [2024-10-11 10:27:57,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bfe3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:27:57, skipping insertion in model container [2024-10-11 10:27:57,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:27:56" (2/3) ... [2024-10-11 10:27:57,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bfe3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:27:57, skipping insertion in model container [2024-10-11 10:27:57,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:27:57" (3/3) ... [2024-10-11 10:27:57,209 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-10-11 10:27:57,244 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:27:57,244 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:27:57,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:27:57,383 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;@55d69634, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:27:57,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:27:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-11 10:27:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 10:27:57,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:27:57,410 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:27:57,410 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:27:57,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:27:57,416 INFO L85 PathProgramCache]: Analyzing trace with hash 162157120, now seen corresponding path program 1 times [2024-10-11 10:27:57,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:27:57,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967819358] [2024-10-11 10:27:57,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:27:57,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:27:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:27:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:27:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:27:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:27:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:27:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:27:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:27:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:27:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:27:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:27:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:27:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:27:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:27:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:27:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:27:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:27:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:27:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:27:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:27:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:27:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:27:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:27:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:27:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:27:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:27:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:27:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:27:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:27:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:27:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:27:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:27:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:27:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:27:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:27:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:27:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:27:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:27:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:27:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:27:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:27:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:27:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:27:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:27:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:27:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:27:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:27:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:27:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:27:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:27:57,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:27:57,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967819358] [2024-10-11 10:27:57,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967819358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:27:57,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:27:57,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:27:57,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715324406] [2024-10-11 10:27:57,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:27:57,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:27:57,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:27:58,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:27:58,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:27:58,043 INFO L87 Difference]: Start difference. First operand has 125 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 10:27:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:27:58,086 INFO L93 Difference]: Finished difference Result 247 states and 454 transitions. [2024-10-11 10:27:58,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:27:58,090 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2024-10-11 10:27:58,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:27:58,101 INFO L225 Difference]: With dead ends: 247 [2024-10-11 10:27:58,101 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 10:27:58,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 10:27:58,144 INFO L432 NwaCegarLoop]: 196 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, 196 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 10:27:58,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:27:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 10:27:58,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-11 10:27:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 73 states have internal predecessors, (103), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-11 10:27:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 199 transitions. [2024-10-11 10:27:58,245 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 199 transitions. Word has length 291 [2024-10-11 10:27:58,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:27:58,245 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 199 transitions. [2024-10-11 10:27:58,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 10:27:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2024-10-11 10:27:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 10:27:58,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:27:58,254 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:27:58,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:27:58,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:27:58,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:27:58,255 INFO L85 PathProgramCache]: Analyzing trace with hash 87884360, now seen corresponding path program 1 times [2024-10-11 10:27:58,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:27:58,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651692089] [2024-10-11 10:27:58,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:27:58,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:27:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:27:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:27:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:27:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:27:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:27:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:27:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:27:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:27:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:27:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:27:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:27:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:27:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:27:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:27:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:27:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:27:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:27:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:27:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:27:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:27:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:27:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:27:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:27:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:27:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:27:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:27:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:27:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:27:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:27:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:27:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:27:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:27:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:27:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:27:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:27:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:27:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:27:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:27:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:27:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:27:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:27:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:27:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:27:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:27:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:27:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:27:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:27:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:27:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:27:58,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:27:58,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651692089] [2024-10-11 10:27:58,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651692089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:27:58,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:27:58,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:27:58,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665473678] [2024-10-11 10:27:58,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:27:58,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:27:58,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:27:58,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:27:58,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:27:58,804 INFO L87 Difference]: Start difference. First operand 123 states and 199 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:27:58,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:27:58,960 INFO L93 Difference]: Finished difference Result 351 states and 572 transitions. [2024-10-11 10:27:58,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:27:58,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 10:27:58,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:27:58,968 INFO L225 Difference]: With dead ends: 351 [2024-10-11 10:27:58,970 INFO L226 Difference]: Without dead ends: 229 [2024-10-11 10:27:58,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 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 10:27:58,973 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 92 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:27:58,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 378 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:27:58,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-11 10:27:59,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 214. [2024-10-11 10:27:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 115 states have (on average 1.3391304347826087) internal successors, (154), 115 states have internal predecessors, (154), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 10:27:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 346 transitions. [2024-10-11 10:27:59,021 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 346 transitions. Word has length 291 [2024-10-11 10:27:59,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:27:59,022 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 346 transitions. [2024-10-11 10:27:59,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:27:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 346 transitions. [2024-10-11 10:27:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-11 10:27:59,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:27:59,029 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:27:59,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:27:59,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:27:59,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:27:59,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1722952530, now seen corresponding path program 1 times [2024-10-11 10:27:59,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:27:59,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146767297] [2024-10-11 10:27:59,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:27:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:27:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:59,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:27:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:59,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:27:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:27:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:27:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:27:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:59,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:27:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:27:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:27:59,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:00,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:00,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146767297] [2024-10-11 10:28:00,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146767297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:00,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:00,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 10:28:00,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80836297] [2024-10-11 10:28:00,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:00,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 10:28:00,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:00,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 10:28:00,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:28:00,175 INFO L87 Difference]: Start difference. First operand 214 states and 346 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:00,959 INFO L93 Difference]: Finished difference Result 368 states and 594 transitions. [2024-10-11 10:28:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 10:28:00,959 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 292 [2024-10-11 10:28:00,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:00,963 INFO L225 Difference]: With dead ends: 368 [2024-10-11 10:28:00,963 INFO L226 Difference]: Without dead ends: 246 [2024-10-11 10:28:00,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 10:28:00,965 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 165 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:00,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 790 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 10:28:00,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-11 10:28:00,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 226. [2024-10-11 10:28:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 10:28:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 366 transitions. [2024-10-11 10:28:00,997 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 366 transitions. Word has length 292 [2024-10-11 10:28:00,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:00,998 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 366 transitions. [2024-10-11 10:28:00,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:00,998 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 366 transitions. [2024-10-11 10:28:01,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-11 10:28:01,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:01,001 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:01,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:28:01,002 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:01,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:01,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1021887952, now seen corresponding path program 1 times [2024-10-11 10:28:01,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:01,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675872623] [2024-10-11 10:28:01,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:01,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:01,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:01,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675872623] [2024-10-11 10:28:01,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675872623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:01,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:01,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:28:01,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907565804] [2024-10-11 10:28:01,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:01,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:28:01,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:01,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:28:01,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:28:01,502 INFO L87 Difference]: Start difference. First operand 226 states and 366 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:01,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:01,731 INFO L93 Difference]: Finished difference Result 364 states and 590 transitions. [2024-10-11 10:28:01,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:28:01,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 292 [2024-10-11 10:28:01,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:01,736 INFO L225 Difference]: With dead ends: 364 [2024-10-11 10:28:01,736 INFO L226 Difference]: Without dead ends: 227 [2024-10-11 10:28:01,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 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 10:28:01,740 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 85 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:01,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 439 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:28:01,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-10-11 10:28:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-10-11 10:28:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 10:28:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 367 transitions. [2024-10-11 10:28:01,775 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 367 transitions. Word has length 292 [2024-10-11 10:28:01,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:01,776 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 367 transitions. [2024-10-11 10:28:01,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 367 transitions. [2024-10-11 10:28:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-11 10:28:01,780 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:01,780 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:01,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 10:28:01,780 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:01,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:01,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1391922396, now seen corresponding path program 1 times [2024-10-11 10:28:01,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:01,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008806736] [2024-10-11 10:28:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:01,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:02,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:02,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008806736] [2024-10-11 10:28:02,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008806736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:02,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:02,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:28:02,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420045686] [2024-10-11 10:28:02,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:02,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:28:02,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:02,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:28:02,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:28:02,655 INFO L87 Difference]: Start difference. First operand 227 states and 367 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:03,044 INFO L93 Difference]: Finished difference Result 371 states and 602 transitions. [2024-10-11 10:28:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:28:03,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 293 [2024-10-11 10:28:03,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:03,047 INFO L225 Difference]: With dead ends: 371 [2024-10-11 10:28:03,048 INFO L226 Difference]: Without dead ends: 239 [2024-10-11 10:28:03,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:28:03,050 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 113 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:03,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 497 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 10:28:03,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-10-11 10:28:03,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 231. [2024-10-11 10:28:03,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 132 states have (on average 1.371212121212121) internal successors, (181), 132 states have internal predecessors, (181), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 10:28:03,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 373 transitions. [2024-10-11 10:28:03,083 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 373 transitions. Word has length 293 [2024-10-11 10:28:03,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:03,085 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 373 transitions. [2024-10-11 10:28:03,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 373 transitions. [2024-10-11 10:28:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-11 10:28:03,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:03,089 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:03,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 10:28:03,089 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:03,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:03,090 INFO L85 PathProgramCache]: Analyzing trace with hash 196425506, now seen corresponding path program 1 times [2024-10-11 10:28:03,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:03,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781060275] [2024-10-11 10:28:03,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:03,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:11,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:11,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781060275] [2024-10-11 10:28:11,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781060275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:11,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:11,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 10:28:11,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458760774] [2024-10-11 10:28:11,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:11,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 10:28:11,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 10:28:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-11 10:28:11,259 INFO L87 Difference]: Start difference. First operand 231 states and 373 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:13,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:13,756 INFO L93 Difference]: Finished difference Result 455 states and 716 transitions. [2024-10-11 10:28:13,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 10:28:13,757 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 293 [2024-10-11 10:28:13,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:13,759 INFO L225 Difference]: With dead ends: 455 [2024-10-11 10:28:13,759 INFO L226 Difference]: Without dead ends: 333 [2024-10-11 10:28:13,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-10-11 10:28:13,761 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 652 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:13,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 934 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 10:28:13,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-10-11 10:28:13,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 244. [2024-10-11 10:28:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 145 states have (on average 1.3793103448275863) internal successors, (200), 145 states have internal predecessors, (200), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 10:28:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 392 transitions. [2024-10-11 10:28:13,794 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 392 transitions. Word has length 293 [2024-10-11 10:28:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:13,794 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 392 transitions. [2024-10-11 10:28:13,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 392 transitions. [2024-10-11 10:28:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-11 10:28:13,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:13,798 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:13,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 10:28:13,798 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:13,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:13,799 INFO L85 PathProgramCache]: Analyzing trace with hash 876483876, now seen corresponding path program 1 times [2024-10-11 10:28:13,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:13,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765483297] [2024-10-11 10:28:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:13,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:14,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:14,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765483297] [2024-10-11 10:28:14,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765483297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:14,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:14,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:28:14,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847294796] [2024-10-11 10:28:14,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:14,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:28:14,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:14,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:28:14,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:28:14,091 INFO L87 Difference]: Start difference. First operand 244 states and 392 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:14,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:14,163 INFO L93 Difference]: Finished difference Result 401 states and 639 transitions. [2024-10-11 10:28:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:28:14,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 293 [2024-10-11 10:28:14,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:14,167 INFO L225 Difference]: With dead ends: 401 [2024-10-11 10:28:14,167 INFO L226 Difference]: Without dead ends: 279 [2024-10-11 10:28:14,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:28:14,170 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 40 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:14,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 576 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:28:14,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-10-11 10:28:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2024-10-11 10:28:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 172 states have (on average 1.372093023255814) internal successors, (236), 173 states have internal predecessors, (236), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 10:28:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 436 transitions. [2024-10-11 10:28:14,197 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 436 transitions. Word has length 293 [2024-10-11 10:28:14,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:14,198 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 436 transitions. [2024-10-11 10:28:14,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 436 transitions. [2024-10-11 10:28:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-11 10:28:14,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:14,201 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:14,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 10:28:14,202 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:14,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:14,202 INFO L85 PathProgramCache]: Analyzing trace with hash -196601504, now seen corresponding path program 1 times [2024-10-11 10:28:14,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:14,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550534524] [2024-10-11 10:28:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:14,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:21,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:21,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550534524] [2024-10-11 10:28:21,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550534524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:21,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:21,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 10:28:21,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5568747] [2024-10-11 10:28:21,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:21,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 10:28:21,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:21,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 10:28:21,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:28:21,400 INFO L87 Difference]: Start difference. First operand 276 states and 436 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:23,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:23,549 INFO L93 Difference]: Finished difference Result 466 states and 728 transitions. [2024-10-11 10:28:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 10:28:23,550 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 293 [2024-10-11 10:28:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:23,553 INFO L225 Difference]: With dead ends: 466 [2024-10-11 10:28:23,553 INFO L226 Difference]: Without dead ends: 314 [2024-10-11 10:28:23,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-10-11 10:28:23,555 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 123 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:23,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1091 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 10:28:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-10-11 10:28:23,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 274. [2024-10-11 10:28:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 170 states have (on average 1.3764705882352941) internal successors, (234), 171 states have internal predecessors, (234), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 10:28:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 434 transitions. [2024-10-11 10:28:23,576 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 434 transitions. Word has length 293 [2024-10-11 10:28:23,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:23,576 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 434 transitions. [2024-10-11 10:28:23,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 434 transitions. [2024-10-11 10:28:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 10:28:23,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:23,578 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:23,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 10:28:23,578 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:23,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:23,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1221681062, now seen corresponding path program 1 times [2024-10-11 10:28:23,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:23,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171118863] [2024-10-11 10:28:23,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:23,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:28,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:28,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171118863] [2024-10-11 10:28:28,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171118863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:28,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:28,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 10:28:28,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342593110] [2024-10-11 10:28:28,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:28,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 10:28:28,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:28,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 10:28:28,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 10:28:28,826 INFO L87 Difference]: Start difference. First operand 274 states and 434 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:30,898 INFO L93 Difference]: Finished difference Result 627 states and 958 transitions. [2024-10-11 10:28:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 10:28:30,899 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 294 [2024-10-11 10:28:30,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:30,902 INFO L225 Difference]: With dead ends: 627 [2024-10-11 10:28:30,902 INFO L226 Difference]: Without dead ends: 465 [2024-10-11 10:28:30,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-10-11 10:28:30,903 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 540 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:30,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 980 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 10:28:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-10-11 10:28:30,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 279. [2024-10-11 10:28:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 175 states have (on average 1.3828571428571428) internal successors, (242), 176 states have internal predecessors, (242), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 10:28:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 442 transitions. [2024-10-11 10:28:30,925 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 442 transitions. Word has length 294 [2024-10-11 10:28:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:30,926 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 442 transitions. [2024-10-11 10:28:30,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 442 transitions. [2024-10-11 10:28:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 10:28:30,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:30,927 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:30,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 10:28:30,928 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:30,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:30,928 INFO L85 PathProgramCache]: Analyzing trace with hash -541622692, now seen corresponding path program 1 times [2024-10-11 10:28:30,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:30,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078158125] [2024-10-11 10:28:30,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:30,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:35,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:35,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078158125] [2024-10-11 10:28:35,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078158125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:35,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:35,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 10:28:35,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695508612] [2024-10-11 10:28:35,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:35,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 10:28:35,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:35,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 10:28:35,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 10:28:35,412 INFO L87 Difference]: Start difference. First operand 279 states and 442 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:36,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:36,214 INFO L93 Difference]: Finished difference Result 570 states and 880 transitions. [2024-10-11 10:28:36,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 10:28:36,214 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 294 [2024-10-11 10:28:36,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:36,217 INFO L225 Difference]: With dead ends: 570 [2024-10-11 10:28:36,217 INFO L226 Difference]: Without dead ends: 408 [2024-10-11 10:28:36,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:28:36,218 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 162 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:36,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1033 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 10:28:36,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-11 10:28:36,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 294. [2024-10-11 10:28:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 190 states have (on average 1.3894736842105264) internal successors, (264), 191 states have internal predecessors, (264), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 10:28:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 464 transitions. [2024-10-11 10:28:36,240 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 464 transitions. Word has length 294 [2024-10-11 10:28:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:36,241 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 464 transitions. [2024-10-11 10:28:36,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 464 transitions. [2024-10-11 10:28:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 10:28:36,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:36,242 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:36,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 10:28:36,243 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:36,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:36,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1614708072, now seen corresponding path program 1 times [2024-10-11 10:28:36,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:36,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020238822] [2024-10-11 10:28:36,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:39,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:39,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:39,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020238822] [2024-10-11 10:28:39,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020238822] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:39,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:39,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 10:28:39,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501809552] [2024-10-11 10:28:39,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:39,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 10:28:39,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:39,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 10:28:39,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 10:28:39,927 INFO L87 Difference]: Start difference. First operand 294 states and 464 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:40,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:40,683 INFO L93 Difference]: Finished difference Result 552 states and 856 transitions. [2024-10-11 10:28:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 10:28:40,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 294 [2024-10-11 10:28:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:40,686 INFO L225 Difference]: With dead ends: 552 [2024-10-11 10:28:40,687 INFO L226 Difference]: Without dead ends: 377 [2024-10-11 10:28:40,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-10-11 10:28:40,688 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 291 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:40,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 677 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 10:28:40,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-11 10:28:40,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 291. [2024-10-11 10:28:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 187 states have (on average 1.3903743315508021) internal successors, (260), 188 states have internal predecessors, (260), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 10:28:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 460 transitions. [2024-10-11 10:28:40,736 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 460 transitions. Word has length 294 [2024-10-11 10:28:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:40,736 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 460 transitions. [2024-10-11 10:28:40,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:40,737 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 460 transitions. [2024-10-11 10:28:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 10:28:40,738 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:40,738 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:40,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 10:28:40,738 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:40,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:40,738 INFO L85 PathProgramCache]: Analyzing trace with hash -934649702, now seen corresponding path program 1 times [2024-10-11 10:28:40,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:40,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832932039] [2024-10-11 10:28:40,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:40,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:44,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:44,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832932039] [2024-10-11 10:28:44,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832932039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:44,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:44,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 10:28:44,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816799378] [2024-10-11 10:28:44,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:44,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 10:28:44,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:44,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 10:28:44,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-11 10:28:44,285 INFO L87 Difference]: Start difference. First operand 291 states and 460 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:44,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:44,989 INFO L93 Difference]: Finished difference Result 546 states and 847 transitions. [2024-10-11 10:28:44,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 10:28:44,989 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 294 [2024-10-11 10:28:44,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:44,993 INFO L225 Difference]: With dead ends: 546 [2024-10-11 10:28:44,993 INFO L226 Difference]: Without dead ends: 370 [2024-10-11 10:28:44,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:28:44,994 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 115 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:44,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 895 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 10:28:44,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-10-11 10:28:45,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 290. [2024-10-11 10:28:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 186 states have (on average 1.3870967741935485) internal successors, (258), 187 states have internal predecessors, (258), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 10:28:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 458 transitions. [2024-10-11 10:28:45,017 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 458 transitions. Word has length 294 [2024-10-11 10:28:45,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:45,018 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 458 transitions. [2024-10-11 10:28:45,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2024-10-11 10:28:45,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 10:28:45,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:45,019 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:45,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 10:28:45,020 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:45,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:45,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2062168984, now seen corresponding path program 1 times [2024-10-11 10:28:45,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:45,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913600269] [2024-10-11 10:28:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:45,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:45,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:45,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913600269] [2024-10-11 10:28:45,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913600269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:45,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:45,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:28:45,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240284541] [2024-10-11 10:28:45,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:45,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:28:45,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:45,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:28:45,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:28:45,253 INFO L87 Difference]: Start difference. First operand 290 states and 458 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:45,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:45,335 INFO L93 Difference]: Finished difference Result 492 states and 765 transitions. [2024-10-11 10:28:45,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:28:45,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 294 [2024-10-11 10:28:45,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:45,338 INFO L225 Difference]: With dead ends: 492 [2024-10-11 10:28:45,338 INFO L226 Difference]: Without dead ends: 317 [2024-10-11 10:28:45,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:28:45,339 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 57 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:45,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 591 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:28:45,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-10-11 10:28:45,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 279. [2024-10-11 10:28:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 178 states have (on average 1.3820224719101124) internal successors, (246), 178 states have internal predecessors, (246), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 10:28:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 438 transitions. [2024-10-11 10:28:45,365 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 438 transitions. Word has length 294 [2024-10-11 10:28:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:45,366 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 438 transitions. [2024-10-11 10:28:45,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 438 transitions. [2024-10-11 10:28:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 10:28:45,367 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:45,367 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:45,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 10:28:45,368 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:45,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:45,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1552739942, now seen corresponding path program 1 times [2024-10-11 10:28:45,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:45,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433211554] [2024-10-11 10:28:45,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:45,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:51,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:51,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433211554] [2024-10-11 10:28:51,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433211554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:51,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:51,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 10:28:51,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146743478] [2024-10-11 10:28:51,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:51,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 10:28:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:51,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 10:28:51,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 10:28:51,637 INFO L87 Difference]: Start difference. First operand 279 states and 438 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:52,316 INFO L93 Difference]: Finished difference Result 496 states and 766 transitions. [2024-10-11 10:28:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 10:28:52,317 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 294 [2024-10-11 10:28:52,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:52,319 INFO L225 Difference]: With dead ends: 496 [2024-10-11 10:28:52,319 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 10:28:52,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:28:52,320 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 165 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:52,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 596 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 10:28:52,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 10:28:52,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 281. [2024-10-11 10:28:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 180 states have (on average 1.3833333333333333) internal successors, (249), 180 states have internal predecessors, (249), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 10:28:52,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 441 transitions. [2024-10-11 10:28:52,341 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 441 transitions. Word has length 294 [2024-10-11 10:28:52,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:52,342 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 441 transitions. [2024-10-11 10:28:52,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 441 transitions. [2024-10-11 10:28:52,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-11 10:28:52,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:52,343 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:52,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 10:28:52,343 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:52,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:52,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1945766952, now seen corresponding path program 1 times [2024-10-11 10:28:52,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:52,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14137758] [2024-10-11 10:28:52,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:52,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:28:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:28:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:28:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:28:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:28:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:28:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:28:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:28:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:28:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:28:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:28:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:28:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:28:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:28:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:28:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:28:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:28:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:28:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:28:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:28:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:28:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:28:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:28:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:28:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:28:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:28:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:28:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:28:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:28:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:28:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:28:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:28:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:28:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:28:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:28:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:28:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 10:28:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:28:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:28:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:28:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:28:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:28:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:28:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:28:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 10:28:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 10:28:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 10:28:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 10:28:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:28:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 10:28:58,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:28:58,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14137758] [2024-10-11 10:28:58,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14137758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:28:58,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:28:58,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 10:28:58,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101130887] [2024-10-11 10:28:58,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:28:58,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 10:28:58,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:28:58,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 10:28:58,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 10:28:58,152 INFO L87 Difference]: Start difference. First operand 281 states and 441 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:59,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:28:59,141 INFO L93 Difference]: Finished difference Result 488 states and 756 transitions. [2024-10-11 10:28:59,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 10:28:59,141 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 294 [2024-10-11 10:28:59,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:28:59,144 INFO L225 Difference]: With dead ends: 488 [2024-10-11 10:28:59,144 INFO L226 Difference]: Without dead ends: 326 [2024-10-11 10:28:59,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-10-11 10:28:59,145 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 149 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:28:59,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 852 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 10:28:59,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-11 10:28:59,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 281. [2024-10-11 10:28:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 180 states have (on average 1.3833333333333333) internal successors, (249), 180 states have internal predecessors, (249), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 10:28:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 441 transitions. [2024-10-11 10:28:59,179 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 441 transitions. Word has length 294 [2024-10-11 10:28:59,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:28:59,180 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 441 transitions. [2024-10-11 10:28:59,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 10:28:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 441 transitions. [2024-10-11 10:28:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-10-11 10:28:59,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:28:59,182 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:59,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 10:28:59,182 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:28:59,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:28:59,182 INFO L85 PathProgramCache]: Analyzing trace with hash -771602457, now seen corresponding path program 1 times [2024-10-11 10:28:59,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:28:59,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618840798] [2024-10-11 10:28:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:28:59,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:28:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat