./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-pr-co_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81f9c885cba2dee1faa6ea50c6c887a8afbb04e68b15a3a5c9caa87415ef3349 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:57:29,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:57:29,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:57:29,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:57:29,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:57:29,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:57:29,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:57:29,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:57:29,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:57:29,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:57:29,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:57:29,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:57:29,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:57:29,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:57:29,178 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:57:29,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:57:29,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:57:29,182 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:57:29,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:57:29,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:57:29,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:57:29,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:57:29,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:57:29,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:57:29,184 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:57:29,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:57:29,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:57:29,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:57:29,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:57:29,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:57:29,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:57:29,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:57:29,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:57:29,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:57:29,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:57:29,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:57:29,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:57:29,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:57:29,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:57:29,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:57:29,189 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:57:29,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:57:29,189 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81f9c885cba2dee1faa6ea50c6c887a8afbb04e68b15a3a5c9caa87415ef3349 [2024-10-14 09:57:29,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:57:29,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:57:29,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:57:29,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:57:29,483 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:57:29,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-3.i [2024-10-14 09:57:31,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:57:31,218 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:57:31,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-3.i [2024-10-14 09:57:31,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38f35f54/123c93fc5f654cf18b8facc4cc8138d3/FLAG7619ec7f2 [2024-10-14 09:57:31,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38f35f54/123c93fc5f654cf18b8facc4cc8138d3 [2024-10-14 09:57:31,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:57:31,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:57:31,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:57:31,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:57:31,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:57:31,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:31,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5489e2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31, skipping insertion in model container [2024-10-14 09:57:31,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:31,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:57:31,762 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-pr-co_file-3.i[918,931] [2024-10-14 09:57:31,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:57:31,844 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:57:31,859 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-pr-co_file-3.i[918,931] [2024-10-14 09:57:31,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:57:31,938 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:57:31,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31 WrapperNode [2024-10-14 09:57:31,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:57:31,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:57:31,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:57:31,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:57:31,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:31,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,019 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-10-14 09:57:32,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:57:32,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:57:32,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:57:32,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:57:32,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,040 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,060 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]. [2024-10-14 09:57:32,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:57:32,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:57:32,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:57:32,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:57:32,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (1/1) ... [2024-10-14 09:57:32,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:57:32,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:57:32,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 09:57:32,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 09:57:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:57:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:57:32,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:57:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:57:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:57:32,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:57:32,327 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:57:32,329 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:57:32,872 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-14 09:57:32,873 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:57:32,916 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:57:32,917 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:57:32,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:57:32 BoogieIcfgContainer [2024-10-14 09:57:32,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:57:32,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:57:32,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:57:32,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:57:32,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:57:31" (1/3) ... [2024-10-14 09:57:32,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d7f91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:57:32, skipping insertion in model container [2024-10-14 09:57:32,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:31" (2/3) ... [2024-10-14 09:57:32,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d7f91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:57:32, skipping insertion in model container [2024-10-14 09:57:32,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:57:32" (3/3) ... [2024-10-14 09:57:32,928 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-3.i [2024-10-14 09:57:32,950 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:57:32,950 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:57:33,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:57:33,027 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;@2c4ae0cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:57:33,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:57:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 79 states have (on average 1.5569620253164558) internal successors, (123), 80 states have internal predecessors, (123), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 09:57:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 09:57:33,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:33,049 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:33,050 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:33,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:33,054 INFO L85 PathProgramCache]: Analyzing trace with hash 438713593, now seen corresponding path program 1 times [2024-10-14 09:57:33,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:33,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185489944] [2024-10-14 09:57:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:33,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:33,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:33,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185489944] [2024-10-14 09:57:33,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185489944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:33,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:33,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:57:33,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504565488] [2024-10-14 09:57:33,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:33,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:57:33,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:33,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:57:33,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:57:33,659 INFO L87 Difference]: Start difference. First operand has 116 states, 79 states have (on average 1.5569620253164558) internal successors, (123), 80 states have internal predecessors, (123), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:57:33,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:33,722 INFO L93 Difference]: Finished difference Result 229 states and 414 transitions. [2024-10-14 09:57:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:57:33,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2024-10-14 09:57:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:33,734 INFO L225 Difference]: With dead ends: 229 [2024-10-14 09:57:33,735 INFO L226 Difference]: Without dead ends: 114 [2024-10-14 09:57:33,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:57:33,746 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:33,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:57:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-14 09:57:33,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-14 09:57:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 78 states have internal predecessors, (115), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 09:57:33,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 183 transitions. [2024-10-14 09:57:33,815 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 183 transitions. Word has length 216 [2024-10-14 09:57:33,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:33,816 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 183 transitions. [2024-10-14 09:57:33,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:57:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 183 transitions. [2024-10-14 09:57:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-10-14 09:57:33,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:33,823 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:33,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:57:33,824 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:33,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:33,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1952148540, now seen corresponding path program 1 times [2024-10-14 09:57:33,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:33,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574658526] [2024-10-14 09:57:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:33,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:34,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:34,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574658526] [2024-10-14 09:57:34,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574658526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:34,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:34,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:57:34,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738476818] [2024-10-14 09:57:34,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:34,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:57:34,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:34,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:57:34,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:34,347 INFO L87 Difference]: Start difference. First operand 114 states and 183 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:34,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:34,476 INFO L93 Difference]: Finished difference Result 337 states and 542 transitions. [2024-10-14 09:57:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:57:34,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-10-14 09:57:34,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:34,485 INFO L225 Difference]: With dead ends: 337 [2024-10-14 09:57:34,485 INFO L226 Difference]: Without dead ends: 224 [2024-10-14 09:57:34,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:34,488 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 177 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:34,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 333 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:57:34,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-14 09:57:34,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 221. [2024-10-14 09:57:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 150 states have (on average 1.4733333333333334) internal successors, (221), 150 states have internal predecessors, (221), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-14 09:57:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 357 transitions. [2024-10-14 09:57:34,530 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 357 transitions. Word has length 218 [2024-10-14 09:57:34,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:34,534 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 357 transitions. [2024-10-14 09:57:34,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 357 transitions. [2024-10-14 09:57:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-14 09:57:34,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:34,543 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:34,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:57:34,544 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:34,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:34,545 INFO L85 PathProgramCache]: Analyzing trace with hash -2141485304, now seen corresponding path program 1 times [2024-10-14 09:57:34,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:34,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151556260] [2024-10-14 09:57:34,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:34,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:34,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:34,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151556260] [2024-10-14 09:57:34,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151556260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:34,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:34,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:57:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532017641] [2024-10-14 09:57:34,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:34,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:57:34,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:34,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:57:34,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:34,845 INFO L87 Difference]: Start difference. First operand 221 states and 357 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:34,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:34,998 INFO L93 Difference]: Finished difference Result 649 states and 1052 transitions. [2024-10-14 09:57:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:57:34,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-10-14 09:57:34,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:35,006 INFO L225 Difference]: With dead ends: 649 [2024-10-14 09:57:35,006 INFO L226 Difference]: Without dead ends: 429 [2024-10-14 09:57:35,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:35,014 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 157 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:35,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 428 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:57:35,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-10-14 09:57:35,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 427. [2024-10-14 09:57:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 286 states have (on average 1.4475524475524475) internal successors, (414), 286 states have internal predecessors, (414), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-14 09:57:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 686 transitions. [2024-10-14 09:57:35,119 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 686 transitions. Word has length 219 [2024-10-14 09:57:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:35,122 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 686 transitions. [2024-10-14 09:57:35,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 686 transitions. [2024-10-14 09:57:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-14 09:57:35,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:35,129 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:35,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:57:35,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:35,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1660720572, now seen corresponding path program 1 times [2024-10-14 09:57:35,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:35,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985434378] [2024-10-14 09:57:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:35,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:35,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:35,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985434378] [2024-10-14 09:57:35,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985434378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:35,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:35,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:57:35,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224719144] [2024-10-14 09:57:35,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:35,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:57:35,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:35,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:57:35,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:35,632 INFO L87 Difference]: Start difference. First operand 427 states and 686 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:35,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:35,813 INFO L93 Difference]: Finished difference Result 1279 states and 2056 transitions. [2024-10-14 09:57:35,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:57:35,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-14 09:57:35,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:35,822 INFO L225 Difference]: With dead ends: 1279 [2024-10-14 09:57:35,823 INFO L226 Difference]: Without dead ends: 853 [2024-10-14 09:57:35,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:35,826 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 107 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:35,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 340 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:57:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-10-14 09:57:35,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 851. [2024-10-14 09:57:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 570 states have (on average 1.4280701754385965) internal successors, (814), 570 states have internal predecessors, (814), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-14 09:57:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1358 transitions. [2024-10-14 09:57:35,926 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1358 transitions. Word has length 220 [2024-10-14 09:57:35,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:35,927 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1358 transitions. [2024-10-14 09:57:35,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1358 transitions. [2024-10-14 09:57:35,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-14 09:57:35,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:35,930 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:35,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:57:35,931 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:35,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:35,931 INFO L85 PathProgramCache]: Analyzing trace with hash -2054725810, now seen corresponding path program 1 times [2024-10-14 09:57:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154956253] [2024-10-14 09:57:35,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:35,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:36,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:36,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154956253] [2024-10-14 09:57:36,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154956253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:36,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:36,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:57:36,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66797747] [2024-10-14 09:57:36,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:36,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:57:36,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:36,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:57:36,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:36,126 INFO L87 Difference]: Start difference. First operand 851 states and 1358 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:36,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:36,237 INFO L93 Difference]: Finished difference Result 2071 states and 3296 transitions. [2024-10-14 09:57:36,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:57:36,238 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-10-14 09:57:36,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:36,247 INFO L225 Difference]: With dead ends: 2071 [2024-10-14 09:57:36,247 INFO L226 Difference]: Without dead ends: 1221 [2024-10-14 09:57:36,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:36,252 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 73 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:36,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 412 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:57:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-10-14 09:57:36,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1039. [2024-10-14 09:57:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 758 states have (on average 1.474934036939314) internal successors, (1118), 758 states have internal predecessors, (1118), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-14 09:57:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1662 transitions. [2024-10-14 09:57:36,411 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1662 transitions. Word has length 221 [2024-10-14 09:57:36,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:36,411 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1662 transitions. [2024-10-14 09:57:36,412 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:36,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1662 transitions. [2024-10-14 09:57:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-14 09:57:36,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:36,414 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:36,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 09:57:36,416 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:36,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash 410860900, now seen corresponding path program 1 times [2024-10-14 09:57:36,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:36,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858521874] [2024-10-14 09:57:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:36,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:36,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:37,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:37,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858521874] [2024-10-14 09:57:37,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858521874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:37,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:37,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:57:37,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071099773] [2024-10-14 09:57:37,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:37,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:57:37,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:37,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:57:37,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:37,023 INFO L87 Difference]: Start difference. First operand 1039 states and 1662 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:37,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:37,235 INFO L93 Difference]: Finished difference Result 2343 states and 3741 transitions. [2024-10-14 09:57:37,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:57:37,236 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-10-14 09:57:37,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:37,251 INFO L225 Difference]: With dead ends: 2343 [2024-10-14 09:57:37,251 INFO L226 Difference]: Without dead ends: 1305 [2024-10-14 09:57:37,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:37,257 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 115 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:37,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 301 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:57:37,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2024-10-14 09:57:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1301. [2024-10-14 09:57:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 950 states have (on average 1.4663157894736842) internal successors, (1393), 950 states have internal predecessors, (1393), 340 states have call successors, (340), 10 states have call predecessors, (340), 10 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2024-10-14 09:57:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 2073 transitions. [2024-10-14 09:57:37,385 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 2073 transitions. Word has length 221 [2024-10-14 09:57:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:37,386 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 2073 transitions. [2024-10-14 09:57:37,386 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:37,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 2073 transitions. [2024-10-14 09:57:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-14 09:57:37,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:37,390 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:37,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 09:57:37,390 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:37,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:37,391 INFO L85 PathProgramCache]: Analyzing trace with hash 270312290, now seen corresponding path program 1 times [2024-10-14 09:57:37,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:37,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364361708] [2024-10-14 09:57:37,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:37,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:37,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:37,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364361708] [2024-10-14 09:57:37,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364361708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:37,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:37,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:57:37,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291573964] [2024-10-14 09:57:37,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:37,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:57:37,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:37,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:57:37,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:57:37,778 INFO L87 Difference]: Start difference. First operand 1301 states and 2073 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:38,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:38,218 INFO L93 Difference]: Finished difference Result 2603 states and 4146 transitions. [2024-10-14 09:57:38,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:57:38,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-10-14 09:57:38,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:38,228 INFO L225 Difference]: With dead ends: 2603 [2024-10-14 09:57:38,228 INFO L226 Difference]: Without dead ends: 1303 [2024-10-14 09:57:38,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:57:38,233 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 149 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:38,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 635 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 09:57:38,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2024-10-14 09:57:38,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1301. [2024-10-14 09:57:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 950 states have (on average 1.4610526315789474) internal successors, (1388), 950 states have internal predecessors, (1388), 340 states have call successors, (340), 10 states have call predecessors, (340), 10 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2024-10-14 09:57:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 2068 transitions. [2024-10-14 09:57:38,365 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 2068 transitions. Word has length 221 [2024-10-14 09:57:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:38,366 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 2068 transitions. [2024-10-14 09:57:38,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 2068 transitions. [2024-10-14 09:57:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:57:38,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:38,369 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:38,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 09:57:38,370 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:38,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:38,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1608260199, now seen corresponding path program 1 times [2024-10-14 09:57:38,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:38,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796554361] [2024-10-14 09:57:38,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:38,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:38,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796554361] [2024-10-14 09:57:38,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796554361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:38,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:38,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 09:57:38,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049168997] [2024-10-14 09:57:38,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:38,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 09:57:38,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:38,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 09:57:38,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:57:38,793 INFO L87 Difference]: Start difference. First operand 1301 states and 2068 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:39,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:39,301 INFO L93 Difference]: Finished difference Result 2093 states and 3333 transitions. [2024-10-14 09:57:39,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:57:39,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-10-14 09:57:39,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:39,313 INFO L225 Difference]: With dead ends: 2093 [2024-10-14 09:57:39,313 INFO L226 Difference]: Without dead ends: 1573 [2024-10-14 09:57:39,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-14 09:57:39,317 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 195 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:39,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 522 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 09:57:39,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2024-10-14 09:57:39,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1565. [2024-10-14 09:57:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1144 states have (on average 1.4632867132867133) internal successors, (1674), 1144 states have internal predecessors, (1674), 408 states have call successors, (408), 12 states have call predecessors, (408), 12 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2024-10-14 09:57:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2490 transitions. [2024-10-14 09:57:39,481 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2490 transitions. Word has length 222 [2024-10-14 09:57:39,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:39,481 INFO L471 AbstractCegarLoop]: Abstraction has 1565 states and 2490 transitions. [2024-10-14 09:57:39,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2490 transitions. [2024-10-14 09:57:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:57:39,484 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:39,484 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:39,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 09:57:39,485 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:39,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:39,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2066649724, now seen corresponding path program 1 times [2024-10-14 09:57:39,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:39,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176009854] [2024-10-14 09:57:39,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:39,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:39,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:39,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:39,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176009854] [2024-10-14 09:57:39,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176009854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:39,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:39,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 09:57:39,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069588628] [2024-10-14 09:57:39,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:39,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 09:57:39,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:39,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 09:57:39,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:57:39,993 INFO L87 Difference]: Start difference. First operand 1565 states and 2490 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:40,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:40,654 INFO L93 Difference]: Finished difference Result 3549 states and 5607 transitions. [2024-10-14 09:57:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:57:40,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-10-14 09:57:40,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:40,671 INFO L225 Difference]: With dead ends: 3549 [2024-10-14 09:57:40,671 INFO L226 Difference]: Without dead ends: 1985 [2024-10-14 09:57:40,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:57:40,679 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 379 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:40,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 428 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 09:57:40,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2024-10-14 09:57:40,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1975. [2024-10-14 09:57:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1422 states have (on average 1.431786216596343) internal successors, (2036), 1428 states have internal predecessors, (2036), 534 states have call successors, (534), 18 states have call predecessors, (534), 18 states have return successors, (534), 528 states have call predecessors, (534), 534 states have call successors, (534) [2024-10-14 09:57:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 3104 transitions. [2024-10-14 09:57:40,908 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 3104 transitions. Word has length 222 [2024-10-14 09:57:40,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:40,909 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 3104 transitions. [2024-10-14 09:57:40,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 3104 transitions. [2024-10-14 09:57:40,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 09:57:40,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:40,912 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:40,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 09:57:40,913 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:40,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:40,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2009391422, now seen corresponding path program 1 times [2024-10-14 09:57:40,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:40,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631212954] [2024-10-14 09:57:40,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:40,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-14 09:57:41,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:41,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631212954] [2024-10-14 09:57:41,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631212954] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 09:57:41,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282528584] [2024-10-14 09:57:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:41,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:57:41,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:57:41,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 09:57:41,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 09:57:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:41,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 09:57:41,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 09:57:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-10-14 09:57:41,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 09:57:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-14 09:57:42,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282528584] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 09:57:42,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 09:57:42,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-14 09:57:42,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005670033] [2024-10-14 09:57:42,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 09:57:42,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 09:57:42,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:42,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 09:57:42,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-14 09:57:42,125 INFO L87 Difference]: Start difference. First operand 1975 states and 3104 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-14 09:57:42,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:42,965 INFO L93 Difference]: Finished difference Result 4459 states and 6997 transitions. [2024-10-14 09:57:42,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 09:57:42,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 222 [2024-10-14 09:57:42,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:42,982 INFO L225 Difference]: With dead ends: 4459 [2024-10-14 09:57:42,982 INFO L226 Difference]: Without dead ends: 2405 [2024-10-14 09:57:42,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 506 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2024-10-14 09:57:42,989 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 382 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:42,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 637 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 09:57:42,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2024-10-14 09:57:43,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2367. [2024-10-14 09:57:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 1718 states have (on average 1.4336437718277066) internal successors, (2463), 1718 states have internal predecessors, (2463), 612 states have call successors, (612), 36 states have call predecessors, (612), 36 states have return successors, (612), 612 states have call predecessors, (612), 612 states have call successors, (612) [2024-10-14 09:57:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3687 transitions. [2024-10-14 09:57:43,249 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3687 transitions. Word has length 222 [2024-10-14 09:57:43,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:43,250 INFO L471 AbstractCegarLoop]: Abstraction has 2367 states and 3687 transitions. [2024-10-14 09:57:43,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-14 09:57:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3687 transitions. [2024-10-14 09:57:43,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-14 09:57:43,267 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:43,267 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:43,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 09:57:43,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 09:57:43,472 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:43,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:43,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1044568026, now seen corresponding path program 1 times [2024-10-14 09:57:43,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:43,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042543090] [2024-10-14 09:57:43,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:43,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:43,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:43,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042543090] [2024-10-14 09:57:43,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042543090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:43,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:43,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:57:43,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328432465] [2024-10-14 09:57:43,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:43,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:57:43,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:43,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:57:43,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:57:43,855 INFO L87 Difference]: Start difference. First operand 2367 states and 3687 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:44,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:44,500 INFO L93 Difference]: Finished difference Result 6257 states and 9749 transitions. [2024-10-14 09:57:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:57:44,500 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-10-14 09:57:44,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:44,524 INFO L225 Difference]: With dead ends: 6257 [2024-10-14 09:57:44,525 INFO L226 Difference]: Without dead ends: 3779 [2024-10-14 09:57:44,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:57:44,534 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 201 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:44,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 661 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 09:57:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3779 states. [2024-10-14 09:57:44,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3779 to 3444. [2024-10-14 09:57:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3444 states, 2579 states have (on average 1.4385420705699883) internal successors, (3710), 2579 states have internal predecessors, (3710), 816 states have call successors, (816), 48 states have call predecessors, (816), 48 states have return successors, (816), 816 states have call predecessors, (816), 816 states have call successors, (816) [2024-10-14 09:57:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 3444 states and 5342 transitions. [2024-10-14 09:57:44,983 INFO L78 Accepts]: Start accepts. Automaton has 3444 states and 5342 transitions. Word has length 223 [2024-10-14 09:57:44,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:44,984 INFO L471 AbstractCegarLoop]: Abstraction has 3444 states and 5342 transitions. [2024-10-14 09:57:44,984 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:57:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3444 states and 5342 transitions. [2024-10-14 09:57:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-14 09:57:44,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:44,990 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:44,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 09:57:44,991 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:44,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:44,991 INFO L85 PathProgramCache]: Analyzing trace with hash -931656615, now seen corresponding path program 1 times [2024-10-14 09:57:44,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473274508] [2024-10-14 09:57:44,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:44,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:57:45,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:45,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473274508] [2024-10-14 09:57:45,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473274508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:45,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:45,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 09:57:45,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181714059] [2024-10-14 09:57:45,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:45,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 09:57:45,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:45,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 09:57:45,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:57:45,854 INFO L87 Difference]: Start difference. First operand 3444 states and 5342 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:57:46,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:46,757 INFO L93 Difference]: Finished difference Result 6908 states and 10713 transitions. [2024-10-14 09:57:46,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:57:46,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 223 [2024-10-14 09:57:46,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:46,787 INFO L225 Difference]: With dead ends: 6908 [2024-10-14 09:57:46,788 INFO L226 Difference]: Without dead ends: 3465 [2024-10-14 09:57:46,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-14 09:57:46,799 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 200 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:46,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 722 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 09:57:46,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2024-10-14 09:57:47,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3456. [2024-10-14 09:57:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3456 states, 2591 states have (on average 1.438054805094558) internal successors, (3726), 2591 states have internal predecessors, (3726), 816 states have call successors, (816), 48 states have call predecessors, (816), 48 states have return successors, (816), 816 states have call predecessors, (816), 816 states have call successors, (816) [2024-10-14 09:57:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 3456 states and 5358 transitions. [2024-10-14 09:57:47,147 INFO L78 Accepts]: Start accepts. Automaton has 3456 states and 5358 transitions. Word has length 223 [2024-10-14 09:57:47,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:47,148 INFO L471 AbstractCegarLoop]: Abstraction has 3456 states and 5358 transitions. [2024-10-14 09:57:47,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:57:47,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3456 states and 5358 transitions. [2024-10-14 09:57:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-14 09:57:47,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:47,151 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:47,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 09:57:47,151 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:47,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:47,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1369165975, now seen corresponding path program 1 times [2024-10-14 09:57:47,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:47,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178222723] [2024-10-14 09:57:47,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:47,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 42 proven. 57 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-14 09:57:48,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:48,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178222723] [2024-10-14 09:57:48,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178222723] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 09:57:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587626483] [2024-10-14 09:57:48,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:48,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:57:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:57:48,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 09:57:48,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 09:57:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 09:57:48,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 09:57:49,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-10-14 09:57:49,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 09:57:49,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-14 09:57:49,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587626483] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 09:57:49,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 09:57:49,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 15 [2024-10-14 09:57:49,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161240714] [2024-10-14 09:57:49,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 09:57:49,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 09:57:49,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:49,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 09:57:49,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-14 09:57:49,486 INFO L87 Difference]: Start difference. First operand 3456 states and 5358 transitions. Second operand has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 15 states have internal predecessors, (139), 6 states have call successors, (102), 3 states have call predecessors, (102), 6 states have return successors, (102), 6 states have call predecessors, (102), 6 states have call successors, (102) [2024-10-14 09:57:53,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:53,415 INFO L93 Difference]: Finished difference Result 11238 states and 16930 transitions. [2024-10-14 09:57:53,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-14 09:57:53,416 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 15 states have internal predecessors, (139), 6 states have call successors, (102), 3 states have call predecessors, (102), 6 states have return successors, (102), 6 states have call predecessors, (102), 6 states have call successors, (102) Word has length 223 [2024-10-14 09:57:53,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:53,487 INFO L225 Difference]: With dead ends: 11238 [2024-10-14 09:57:53,487 INFO L226 Difference]: Without dead ends: 7783 [2024-10-14 09:57:53,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1420 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=953, Invalid=3079, Unknown=0, NotChecked=0, Total=4032 [2024-10-14 09:57:53,507 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 1978 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:53,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 1021 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [548 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 09:57:53,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7783 states. [2024-10-14 09:57:54,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7783 to 7083. [2024-10-14 09:57:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7083 states, 5639 states have (on average 1.41478985635751) internal successors, (7978), 5684 states have internal predecessors, (7978), 1311 states have call successors, (1311), 132 states have call predecessors, (1311), 132 states have return successors, (1311), 1266 states have call predecessors, (1311), 1311 states have call successors, (1311) [2024-10-14 09:57:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7083 states to 7083 states and 10600 transitions. [2024-10-14 09:57:54,330 INFO L78 Accepts]: Start accepts. Automaton has 7083 states and 10600 transitions. Word has length 223 [2024-10-14 09:57:54,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:54,331 INFO L471 AbstractCegarLoop]: Abstraction has 7083 states and 10600 transitions. [2024-10-14 09:57:54,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 15 states have internal predecessors, (139), 6 states have call successors, (102), 3 states have call predecessors, (102), 6 states have return successors, (102), 6 states have call predecessors, (102), 6 states have call successors, (102) [2024-10-14 09:57:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 7083 states and 10600 transitions. [2024-10-14 09:57:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-14 09:57:54,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:54,335 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:54,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 09:57:54,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 09:57:54,537 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:54,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:54,538 INFO L85 PathProgramCache]: Analyzing trace with hash -355755204, now seen corresponding path program 1 times [2024-10-14 09:57:54,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:54,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150381162] [2024-10-14 09:57:54,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:54,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:57:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:57:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:57:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:57:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:57:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:57:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:57:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:57:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 57 proven. 135 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2024-10-14 09:57:55,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:55,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150381162] [2024-10-14 09:57:55,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150381162] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 09:57:55,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263454588] [2024-10-14 09:57:55,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:55,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:57:55,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:57:55,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 09:57:55,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 09:57:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:55,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 09:57:55,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 09:57:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1271 proven. 195 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2024-10-14 09:57:57,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 09:57:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 84 proven. 204 refuted. 0 times theorem prover too weak. 1956 trivial. 0 not checked. [2024-10-14 09:57:58,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263454588] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 09:57:58,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 09:57:58,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 12] total 29 [2024-10-14 09:57:58,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958883786] [2024-10-14 09:57:58,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 09:57:58,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-14 09:57:58,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:58,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-14 09:57:58,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2024-10-14 09:57:58,927 INFO L87 Difference]: Start difference. First operand 7083 states and 10600 transitions. Second operand has 29 states, 29 states have (on average 4.931034482758621) internal successors, (143), 29 states have internal predecessors, (143), 11 states have call successors, (89), 5 states have call predecessors, (89), 11 states have return successors, (90), 10 states have call predecessors, (90), 11 states have call successors, (90) [2024-10-14 09:58:00,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:58:00,753 INFO L93 Difference]: Finished difference Result 10675 states and 15742 transitions. [2024-10-14 09:58:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 09:58:00,754 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.931034482758621) internal successors, (143), 29 states have internal predecessors, (143), 11 states have call successors, (89), 5 states have call predecessors, (89), 11 states have return successors, (90), 10 states have call predecessors, (90), 11 states have call successors, (90) Word has length 225 [2024-10-14 09:58:00,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:58:00,777 INFO L225 Difference]: With dead ends: 10675 [2024-10-14 09:58:00,778 INFO L226 Difference]: Without dead ends: 5226 [2024-10-14 09:58:00,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 501 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=770, Invalid=1780, Unknown=0, NotChecked=0, Total=2550 [2024-10-14 09:58:00,794 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 1738 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 09:58:00,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 371 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 09:58:00,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2024-10-14 09:58:01,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 4521. [2024-10-14 09:58:01,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4521 states, 3581 states have (on average 1.390672996369729) internal successors, (4980), 3605 states have internal predecessors, (4980), 789 states have call successors, (789), 150 states have call predecessors, (789), 150 states have return successors, (789), 765 states have call predecessors, (789), 789 states have call successors, (789) [2024-10-14 09:58:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4521 states to 4521 states and 6558 transitions. [2024-10-14 09:58:01,382 INFO L78 Accepts]: Start accepts. Automaton has 4521 states and 6558 transitions. Word has length 225 [2024-10-14 09:58:01,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:58:01,383 INFO L471 AbstractCegarLoop]: Abstraction has 4521 states and 6558 transitions. [2024-10-14 09:58:01,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.931034482758621) internal successors, (143), 29 states have internal predecessors, (143), 11 states have call successors, (89), 5 states have call predecessors, (89), 11 states have return successors, (90), 10 states have call predecessors, (90), 11 states have call successors, (90) [2024-10-14 09:58:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 4521 states and 6558 transitions. [2024-10-14 09:58:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-14 09:58:01,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:58:01,387 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:58:01,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 09:58:01,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 09:58:01,588 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:58:01,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:58:01,588 INFO L85 PathProgramCache]: Analyzing trace with hash -558775625, now seen corresponding path program 1 times [2024-10-14 09:58:01,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:58:01,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266627916] [2024-10-14 09:58:01,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:58:01,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:58:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:58:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:58:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:58:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:58:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:58:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:58:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:58:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:58:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:58:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:58:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:58:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:58:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:58:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:58:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:58:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:58:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:58:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:58:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:01,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:58:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:58:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:58:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:58:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:58:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:58:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:58:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:58:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:58:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:58:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:58:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:58:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:58:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:58:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:58:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:58:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:58:02,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:58:02,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266627916] [2024-10-14 09:58:02,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266627916] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:58:02,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:58:02,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:58:02,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942905580] [2024-10-14 09:58:02,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:58:02,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:58:02,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:58:02,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:58:02,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:58:02,067 INFO L87 Difference]: Start difference. First operand 4521 states and 6558 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:58:03,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:58:03,252 INFO L93 Difference]: Finished difference Result 10008 states and 14489 transitions. [2024-10-14 09:58:03,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:58:03,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 225 [2024-10-14 09:58:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:58:03,274 INFO L225 Difference]: With dead ends: 10008 [2024-10-14 09:58:03,275 INFO L226 Difference]: Without dead ends: 5488 [2024-10-14 09:58:03,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:58:03,285 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 368 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:58:03,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 588 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 09:58:03,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5488 states. [2024-10-14 09:58:03,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5488 to 5457. [2024-10-14 09:58:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5457 states, 4310 states have (on average 1.3816705336426913) internal successors, (5955), 4341 states have internal predecessors, (5955), 963 states have call successors, (963), 183 states have call predecessors, (963), 183 states have return successors, (963), 932 states have call predecessors, (963), 963 states have call successors, (963) [2024-10-14 09:58:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5457 states to 5457 states and 7881 transitions. [2024-10-14 09:58:03,932 INFO L78 Accepts]: Start accepts. Automaton has 5457 states and 7881 transitions. Word has length 225 [2024-10-14 09:58:03,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:58:03,933 INFO L471 AbstractCegarLoop]: Abstraction has 5457 states and 7881 transitions. [2024-10-14 09:58:03,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:58:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 5457 states and 7881 transitions. [2024-10-14 09:58:03,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-14 09:58:03,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:58:03,937 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:58:03,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 09:58:03,937 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:58:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:58:03,937 INFO L85 PathProgramCache]: Analyzing trace with hash -326438372, now seen corresponding path program 1 times [2024-10-14 09:58:03,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:58:03,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164526312] [2024-10-14 09:58:03,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:58:03,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:58:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:58:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:58:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:58:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:58:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:58:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:58:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:58:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:58:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:58:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:58:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:58:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:58:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:58:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:58:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:58:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:58:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:58:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:58:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:58:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:58:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:58:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:58:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:58:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:58:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:58:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:58:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:58:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:58:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:58:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:58:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:58:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:58:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:58:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:58:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:58:04,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:58:04,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164526312] [2024-10-14 09:58:04,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164526312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:58:04,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:58:04,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:58:04,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135718644] [2024-10-14 09:58:04,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:58:04,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:58:04,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:58:04,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:58:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:58:04,243 INFO L87 Difference]: Start difference. First operand 5457 states and 7881 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:58:05,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:58:05,429 INFO L93 Difference]: Finished difference Result 14596 states and 21061 transitions. [2024-10-14 09:58:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:58:05,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-10-14 09:58:05,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:58:05,467 INFO L225 Difference]: With dead ends: 14596 [2024-10-14 09:58:05,468 INFO L226 Difference]: Without dead ends: 9140 [2024-10-14 09:58:05,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:58:05,482 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 166 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:58:05,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 460 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 09:58:05,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9140 states. [2024-10-14 09:58:06,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9140 to 8083. [2024-10-14 09:58:06,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8083 states, 6343 states have (on average 1.3739555415418572) internal successors, (8715), 6388 states have internal predecessors, (8715), 1462 states have call successors, (1462), 277 states have call predecessors, (1462), 277 states have return successors, (1462), 1417 states have call predecessors, (1462), 1462 states have call successors, (1462) [2024-10-14 09:58:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8083 states to 8083 states and 11639 transitions. [2024-10-14 09:58:06,660 INFO L78 Accepts]: Start accepts. Automaton has 8083 states and 11639 transitions. Word has length 226 [2024-10-14 09:58:06,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:58:06,661 INFO L471 AbstractCegarLoop]: Abstraction has 8083 states and 11639 transitions. [2024-10-14 09:58:06,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:58:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 8083 states and 11639 transitions. [2024-10-14 09:58:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-14 09:58:06,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:58:06,664 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:58:06,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 09:58:06,664 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:58:06,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:58:06,665 INFO L85 PathProgramCache]: Analyzing trace with hash -2132805031, now seen corresponding path program 1 times [2024-10-14 09:58:06,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:58:06,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431919491] [2024-10-14 09:58:06,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:58:06,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:58:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:58:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:58:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:58:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:58:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:58:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:58:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:58:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:58:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:58:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:58:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:58:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:58:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:58:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:58:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:58:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:58:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:58:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:58:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:58:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:58:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:58:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:58:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:58:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:58:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:58:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:58:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:58:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:58:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:58:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:58:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:58:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:58:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:58:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:58:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:58:07,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:58:07,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431919491] [2024-10-14 09:58:07,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431919491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:58:07,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:58:07,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 09:58:07,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779304337] [2024-10-14 09:58:07,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:58:07,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 09:58:07,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:58:07,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 09:58:07,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 09:58:07,078 INFO L87 Difference]: Start difference. First operand 8083 states and 11639 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:58:08,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:58:08,721 INFO L93 Difference]: Finished difference Result 15749 states and 22670 transitions. [2024-10-14 09:58:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 09:58:08,722 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 226 [2024-10-14 09:58:08,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:58:08,757 INFO L225 Difference]: With dead ends: 15749 [2024-10-14 09:58:08,758 INFO L226 Difference]: Without dead ends: 8130 [2024-10-14 09:58:08,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-10-14 09:58:08,776 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 465 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 09:58:08,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 788 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 09:58:08,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8130 states. [2024-10-14 09:58:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8130 to 7785. [2024-10-14 09:58:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7785 states, 6125 states have (on average 1.3740408163265305) internal successors, (8416), 6170 states have internal predecessors, (8416), 1394 states have call successors, (1394), 265 states have call predecessors, (1394), 265 states have return successors, (1394), 1349 states have call predecessors, (1394), 1394 states have call successors, (1394) [2024-10-14 09:58:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7785 states to 7785 states and 11204 transitions. [2024-10-14 09:58:09,887 INFO L78 Accepts]: Start accepts. Automaton has 7785 states and 11204 transitions. Word has length 226 [2024-10-14 09:58:09,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:58:09,888 INFO L471 AbstractCegarLoop]: Abstraction has 7785 states and 11204 transitions. [2024-10-14 09:58:09,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:58:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 7785 states and 11204 transitions. [2024-10-14 09:58:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-14 09:58:09,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:58:09,890 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:58:09,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 09:58:09,891 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:58:09,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:58:09,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1473717154, now seen corresponding path program 1 times [2024-10-14 09:58:09,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:58:09,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650519933] [2024-10-14 09:58:09,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:58:09,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:58:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:58:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:58:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:58:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:58:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:58:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:58:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:58:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:58:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:58:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:58:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:58:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:58:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:58:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:58:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:58:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:09,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:58:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:58:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:58:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:58:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:58:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:58:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:58:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:58:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:58:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:58:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:58:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:58:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:58:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:58:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:58:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:58:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:58:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:58:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:58:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:58:10,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:58:10,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650519933] [2024-10-14 09:58:10,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650519933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:58:10,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:58:10,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:58:10,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123314533] [2024-10-14 09:58:10,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:58:10,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:58:10,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:58:10,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:58:10,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:58:10,025 INFO L87 Difference]: Start difference. First operand 7785 states and 11204 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:58:12,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:58:12,597 INFO L93 Difference]: Finished difference Result 22160 states and 31863 transitions. [2024-10-14 09:58:12,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:58:12,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-10-14 09:58:12,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:58:12,656 INFO L225 Difference]: With dead ends: 22160 [2024-10-14 09:58:12,656 INFO L226 Difference]: Without dead ends: 15206 [2024-10-14 09:58:12,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:58:12,678 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 291 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:58:12,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 776 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 09:58:12,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15206 states. [2024-10-14 09:58:14,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15206 to 15052. [2024-10-14 09:58:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15052 states, 11667 states have (on average 1.3525327847775779) internal successors, (15780), 11755 states have internal predecessors, (15780), 2844 states have call successors, (2844), 540 states have call predecessors, (2844), 540 states have return successors, (2844), 2756 states have call predecessors, (2844), 2844 states have call successors, (2844) [2024-10-14 09:58:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15052 states to 15052 states and 21468 transitions. [2024-10-14 09:58:14,705 INFO L78 Accepts]: Start accepts. Automaton has 15052 states and 21468 transitions. Word has length 227 [2024-10-14 09:58:14,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:58:14,706 INFO L471 AbstractCegarLoop]: Abstraction has 15052 states and 21468 transitions. [2024-10-14 09:58:14,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:58:14,706 INFO L276 IsEmpty]: Start isEmpty. Operand 15052 states and 21468 transitions. [2024-10-14 09:58:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-14 09:58:14,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:58:14,709 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:58:14,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 09:58:14,709 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:58:14,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:58:14,710 INFO L85 PathProgramCache]: Analyzing trace with hash 87513760, now seen corresponding path program 1 times [2024-10-14 09:58:14,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:58:14,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150423527] [2024-10-14 09:58:14,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:58:14,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:58:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:58:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:14,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:58:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:58:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:58:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:58:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:58:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:58:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:58:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:58:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:58:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:58:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:58:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:58:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:58:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:58:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:58:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:58:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:58:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:58:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:58:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:58:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:58:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:58:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:58:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:58:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:58:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:58:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:58:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:58:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:58:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:58:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:58:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:58:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:58:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:58:15,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:58:15,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150423527] [2024-10-14 09:58:15,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150423527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:58:15,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:58:15,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 09:58:15,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048048497] [2024-10-14 09:58:15,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:58:15,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 09:58:15,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:58:15,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 09:58:15,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:58:15,073 INFO L87 Difference]: Start difference. First operand 15052 states and 21468 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:58:18,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:58:18,238 INFO L93 Difference]: Finished difference Result 26717 states and 38125 transitions. [2024-10-14 09:58:18,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 09:58:18,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-10-14 09:58:18,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:58:18,316 INFO L225 Difference]: With dead ends: 26717 [2024-10-14 09:58:18,316 INFO L226 Difference]: Without dead ends: 14812 [2024-10-14 09:58:18,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 09:58:18,345 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 328 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 09:58:18,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 1049 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 09:58:18,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14812 states. [2024-10-14 09:58:20,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14812 to 14562. [2024-10-14 09:58:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14562 states, 11243 states have (on average 1.3510628835720004) internal successors, (15190), 11330 states have internal predecessors, (15190), 2789 states have call successors, (2789), 529 states have call predecessors, (2789), 529 states have return successors, (2789), 2702 states have call predecessors, (2789), 2789 states have call successors, (2789) [2024-10-14 09:58:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14562 states to 14562 states and 20768 transitions. [2024-10-14 09:58:20,510 INFO L78 Accepts]: Start accepts. Automaton has 14562 states and 20768 transitions. Word has length 227 [2024-10-14 09:58:20,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:58:20,510 INFO L471 AbstractCegarLoop]: Abstraction has 14562 states and 20768 transitions. [2024-10-14 09:58:20,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:58:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 14562 states and 20768 transitions. [2024-10-14 09:58:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-14 09:58:20,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:58:20,513 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:58:20,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 09:58:20,513 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:58:20,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:58:20,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1265860697, now seen corresponding path program 1 times [2024-10-14 09:58:20,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:58:20,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245525647] [2024-10-14 09:58:20,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:58:20,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:58:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:58:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:58:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:58:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:58:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:58:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:58:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:58:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:58:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:58:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:58:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:58:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:58:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:58:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:58:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:58:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:58:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:58:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:58:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:58:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:58:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:58:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:58:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:58:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:58:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:58:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:58:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:58:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:58:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:58:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:58:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:58:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:58:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:58:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:58:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:58:20,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:58:20,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245525647] [2024-10-14 09:58:20,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245525647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:58:20,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:58:20,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 09:58:20,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234894362] [2024-10-14 09:58:20,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:58:20,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 09:58:20,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:58:20,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 09:58:20,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:58:20,959 INFO L87 Difference]: Start difference. First operand 14562 states and 20768 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:58:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:58:23,643 INFO L93 Difference]: Finished difference Result 26844 states and 38238 transitions. [2024-10-14 09:58:23,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 09:58:23,644 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 227 [2024-10-14 09:58:23,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:58:23,712 INFO L225 Difference]: With dead ends: 26844 [2024-10-14 09:58:23,712 INFO L226 Difference]: Without dead ends: 15429 [2024-10-14 09:58:23,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-10-14 09:58:23,747 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 275 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:58:23,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 764 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 09:58:23,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15429 states. [2024-10-14 09:58:25,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15429 to 15345. [2024-10-14 09:58:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15345 states, 11975 states have (on average 1.3515657620041754) internal successors, (16185), 12076 states have internal predecessors, (16185), 2817 states have call successors, (2817), 552 states have call predecessors, (2817), 552 states have return successors, (2817), 2716 states have call predecessors, (2817), 2817 states have call successors, (2817) [2024-10-14 09:58:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15345 states to 15345 states and 21819 transitions. [2024-10-14 09:58:25,967 INFO L78 Accepts]: Start accepts. Automaton has 15345 states and 21819 transitions. Word has length 227 [2024-10-14 09:58:25,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:58:25,967 INFO L471 AbstractCegarLoop]: Abstraction has 15345 states and 21819 transitions. [2024-10-14 09:58:25,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 09:58:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 15345 states and 21819 transitions. [2024-10-14 09:58:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-14 09:58:25,970 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:58:25,970 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:58:25,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 09:58:25,970 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:58:25,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:58:25,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2092600616, now seen corresponding path program 1 times [2024-10-14 09:58:25,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:58:25,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431645528] [2024-10-14 09:58:25,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:58:25,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:58:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:58:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:58:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:58:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:58:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:58:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:58:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:58:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:58:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:58:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:58:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:58:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:58:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:58:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:58:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:58:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:58:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:58:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:58:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:58:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:58:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:58:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:58:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:58:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:58:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:58:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:58:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:58:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:58:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:58:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:58:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:58:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:58:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:58:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:58:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:26,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:58:26,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:58:26,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431645528] [2024-10-14 09:58:26,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431645528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:58:26,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:58:26,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 09:58:26,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35420638] [2024-10-14 09:58:26,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:58:26,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 09:58:26,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:58:26,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 09:58:26,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:58:26,296 INFO L87 Difference]: Start difference. First operand 15345 states and 21819 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:58:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:58:29,882 INFO L93 Difference]: Finished difference Result 40794 states and 58052 transitions. [2024-10-14 09:58:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 09:58:29,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-10-14 09:58:29,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:58:29,987 INFO L225 Difference]: With dead ends: 40794 [2024-10-14 09:58:29,987 INFO L226 Difference]: Without dead ends: 25450 [2024-10-14 09:58:30,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-14 09:58:30,032 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 718 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 09:58:30,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 567 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 09:58:30,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25450 states. [2024-10-14 09:58:33,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25450 to 25392. [2024-10-14 09:58:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25392 states, 19620 states have (on average 1.3445973496432213) internal successors, (26381), 19793 states have internal predecessors, (26381), 4827 states have call successors, (4827), 944 states have call predecessors, (4827), 944 states have return successors, (4827), 4654 states have call predecessors, (4827), 4827 states have call successors, (4827) [2024-10-14 09:58:33,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25392 states to 25392 states and 36035 transitions. [2024-10-14 09:58:34,031 INFO L78 Accepts]: Start accepts. Automaton has 25392 states and 36035 transitions. Word has length 227 [2024-10-14 09:58:34,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:58:34,032 INFO L471 AbstractCegarLoop]: Abstraction has 25392 states and 36035 transitions. [2024-10-14 09:58:34,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 09:58:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 25392 states and 36035 transitions. [2024-10-14 09:58:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-14 09:58:34,034 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:58:34,034 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:58:34,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 09:58:34,035 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:58:34,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:58:34,035 INFO L85 PathProgramCache]: Analyzing trace with hash 774682516, now seen corresponding path program 1 times [2024-10-14 09:58:34,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:58:34,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339759784] [2024-10-14 09:58:34,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:58:34,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:58:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:58:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:58:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:58:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:58:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:58:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:58:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:58:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:58:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:58:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:58:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:58:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 09:58:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:58:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 09:58:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:58:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:58:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:58:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:58:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:58:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:58:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:58:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:58:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:58:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:58:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:58:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:58:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:58:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:58:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:58:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:58:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:58:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:58:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:58:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:58:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:58:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 09:58:34,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:58:34,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339759784] [2024-10-14 09:58:34,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339759784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:58:34,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:58:34,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 09:58:34,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726473769] [2024-10-14 09:58:34,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:58:34,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 09:58:34,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:58:34,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 09:58:34,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 09:58:34,537 INFO L87 Difference]: Start difference. First operand 25392 states and 36035 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)