./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_fillercodesize_ps-cn-250_file-10.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_fillercodesize_ps-cn-250_file-10.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 710670ca346a21719bd0508939f664ba04d58832b1c8a269a31e5aa376b94261 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:21:07,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:21:07,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:21:07,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:21:07,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:21:07,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:21:07,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:21:07,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:21:07,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:21:07,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:21:07,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:21:07,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:21:07,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:21:07,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:21:07,278 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:21:07,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:21:07,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:21:07,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:21:07,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:21:07,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:21:07,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:21:07,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:21:07,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:21:07,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:21:07,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:21:07,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:21:07,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:21:07,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:21:07,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:21:07,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:21:07,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:21:07,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:21:07,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:21:07,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:21:07,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:21:07,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:21:07,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:21:07,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:21:07,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:21:07,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:21:07,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:21:07,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:21:07,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 710670ca346a21719bd0508939f664ba04d58832b1c8a269a31e5aa376b94261 [2024-10-14 08:21:07,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:21:07,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:21:07,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:21:07,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:21:07,546 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:21:07,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-10.i [2024-10-14 08:21:09,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:21:09,280 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:21:09,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-10.i [2024-10-14 08:21:09,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fb9c9dc/62b986e02d174328be7930cb0cd96cb7/FLAG06543df0a [2024-10-14 08:21:09,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fb9c9dc/62b986e02d174328be7930cb0cd96cb7 [2024-10-14 08:21:09,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:21:09,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:21:09,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:21:09,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:21:09,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:21:09,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bd54c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09, skipping insertion in model container [2024-10-14 08:21:09,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:21:09,487 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_fillercodesize_ps-cn-250_file-10.i[916,929] [2024-10-14 08:21:09,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:21:09,636 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:21:09,647 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_fillercodesize_ps-cn-250_file-10.i[916,929] [2024-10-14 08:21:09,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:21:09,803 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:21:09,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09 WrapperNode [2024-10-14 08:21:09,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:21:09,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:21:09,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:21:09,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:21:09,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,900 INFO L138 Inliner]: procedures = 26, calls = 85, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 499 [2024-10-14 08:21:09,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:21:09,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:21:09,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:21:09,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:21:09,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,957 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 08:21:09,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:21:09,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:21:09,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:21:09,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:21:09,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (1/1) ... [2024-10-14 08:21:09,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:21:10,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:21:10,018 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 08:21:10,026 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 08:21:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:21:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:21:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:21:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:21:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:21:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:21:10,178 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:21:10,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:21:10,754 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-14 08:21:10,754 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:21:10,781 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:21:10,782 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:21:10,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:21:10 BoogieIcfgContainer [2024-10-14 08:21:10,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:21:10,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:21:10,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:21:10,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:21:10,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:21:09" (1/3) ... [2024-10-14 08:21:10,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163094fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:21:10, skipping insertion in model container [2024-10-14 08:21:10,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:21:09" (2/3) ... [2024-10-14 08:21:10,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163094fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:21:10, skipping insertion in model container [2024-10-14 08:21:10,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:21:10" (3/3) ... [2024-10-14 08:21:10,791 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-10.i [2024-10-14 08:21:10,805 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:21:10,805 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:21:10,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:21:10,900 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;@52a3e558, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:21:10,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:21:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 214 states, 139 states have (on average 1.539568345323741) internal successors, (214), 140 states have internal predecessors, (214), 72 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-14 08:21:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2024-10-14 08:21:10,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:21:10,930 INFO L215 NwaCegarLoop]: trace histogram [72, 72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:10,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:21:10,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:21:10,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1297620300, now seen corresponding path program 1 times [2024-10-14 08:21:10,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:21:10,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48718806] [2024-10-14 08:21:10,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:21:10,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:21:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:21:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:21:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:21:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:21:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:21:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:21:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:21:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:21:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:21:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:21:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:21:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:21:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:21:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:21:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:21:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:21:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:21:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:21:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:21:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:21:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:21:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:21:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 08:21:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:21:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:21:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:21:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:21:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 08:21:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:21:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 08:21:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:21:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 08:21:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:21:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 08:21:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:21:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:21:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 08:21:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:21:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 08:21:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:21:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:21:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:21:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 08:21:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 08:21:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 08:21:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 08:21:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 08:21:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 08:21:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 08:21:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-14 08:21:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 08:21:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 08:21:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-14 08:21:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-14 08:21:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 08:21:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-14 08:21:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 08:21:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-14 08:21:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-14 08:21:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-10-14 08:21:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-14 08:21:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-14 08:21:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-14 08:21:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-14 08:21:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-14 08:21:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-14 08:21:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-14 08:21:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-14 08:21:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-14 08:21:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-10-14 08:21:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-14 08:21:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2024-10-14 08:21:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-10-14 08:21:11,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:21:11,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48718806] [2024-10-14 08:21:11,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48718806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:21:11,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:21:11,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:21:11,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795886105] [2024-10-14 08:21:11,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:21:11,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:21:11,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:21:11,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:21:11,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:21:11,766 INFO L87 Difference]: Start difference. First operand has 214 states, 139 states have (on average 1.539568345323741) internal successors, (214), 140 states have internal predecessors, (214), 72 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 2 states have call successors, (72) [2024-10-14 08:21:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:21:11,809 INFO L93 Difference]: Finished difference Result 424 states and 784 transitions. [2024-10-14 08:21:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:21:11,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 2 states have call successors, (72) Word has length 450 [2024-10-14 08:21:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:21:11,819 INFO L225 Difference]: With dead ends: 424 [2024-10-14 08:21:11,819 INFO L226 Difference]: Without dead ends: 211 [2024-10-14 08:21:11,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 218 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 08:21:11,825 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:21:11,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:21:11,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-10-14 08:21:11,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-10-14 08:21:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 137 states have (on average 1.5036496350364963) internal successors, (206), 137 states have internal predecessors, (206), 72 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-14 08:21:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 350 transitions. [2024-10-14 08:21:11,879 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 350 transitions. Word has length 450 [2024-10-14 08:21:11,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:21:11,880 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 350 transitions. [2024-10-14 08:21:11,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 2 states have call successors, (72) [2024-10-14 08:21:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 350 transitions. [2024-10-14 08:21:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2024-10-14 08:21:11,887 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:21:11,887 INFO L215 NwaCegarLoop]: trace histogram [72, 72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:11,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:21:11,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:21:11,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:21:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1690448744, now seen corresponding path program 1 times [2024-10-14 08:21:11,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:21:11,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337845827] [2024-10-14 08:21:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:21:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:21:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:21:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:21:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:21:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:21:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:21:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:21:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:21:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:21:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:21:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:21:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:21:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:21:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:21:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:21:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:21:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:21:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:21:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:21:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:21:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:21:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:21:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:21:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 08:21:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:21:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:21:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:21:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:21:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 08:21:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:21:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 08:21:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:21:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 08:21:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:21:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 08:21:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:21:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:21:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 08:21:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:21:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 08:21:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:21:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:21:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:21:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 08:21:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 08:21:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 08:21:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 08:21:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 08:21:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 08:21:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 08:21:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-14 08:21:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 08:21:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 08:21:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-14 08:21:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-14 08:21:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 08:21:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-14 08:21:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 08:21:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-14 08:21:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-14 08:21:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-10-14 08:21:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-14 08:21:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-14 08:21:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-14 08:21:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-14 08:21:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-14 08:21:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-14 08:21:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-14 08:21:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-14 08:21:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-14 08:21:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-10-14 08:21:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-14 08:21:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2024-10-14 08:21:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-10-14 08:21:12,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:21:12,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337845827] [2024-10-14 08:21:12,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337845827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:21:12,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:21:12,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:21:12,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474138669] [2024-10-14 08:21:12,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:21:12,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:21:12,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:21:12,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:21:12,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:21:12,394 INFO L87 Difference]: Start difference. First operand 211 states and 350 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2024-10-14 08:21:12,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:21:12,459 INFO L93 Difference]: Finished difference Result 544 states and 902 transitions. [2024-10-14 08:21:12,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:21:12,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) Word has length 450 [2024-10-14 08:21:12,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:21:12,464 INFO L225 Difference]: With dead ends: 544 [2024-10-14 08:21:12,464 INFO L226 Difference]: Without dead ends: 334 [2024-10-14 08:21:12,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 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 08:21:12,466 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 195 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:21:12,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 680 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:21:12,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-14 08:21:12,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 331. [2024-10-14 08:21:12,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 226 states have (on average 1.5265486725663717) internal successors, (345), 227 states have internal predecessors, (345), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-14 08:21:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 549 transitions. [2024-10-14 08:21:12,506 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 549 transitions. Word has length 450 [2024-10-14 08:21:12,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:21:12,510 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 549 transitions. [2024-10-14 08:21:12,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2024-10-14 08:21:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 549 transitions. [2024-10-14 08:21:12,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2024-10-14 08:21:12,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:21:12,520 INFO L215 NwaCegarLoop]: trace histogram [72, 72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:12,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:21:12,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:21:12,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:21:12,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1689045997, now seen corresponding path program 1 times [2024-10-14 08:21:12,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:21:12,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429246577] [2024-10-14 08:21:12,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:21:12,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:21:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:21:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:21:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:21:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:21:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:21:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:21:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:21:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:21:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:21:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:21:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:21:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:21:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:21:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:21:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:21:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:21:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:21:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:21:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:21:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:21:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:21:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:21:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 08:21:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:21:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:21:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:21:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:21:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 08:21:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:21:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 08:21:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:21:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 08:21:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:21:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 08:21:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:21:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:21:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 08:21:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:21:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 08:21:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:21:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:21:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:21:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 08:21:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 08:21:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 08:21:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 08:21:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 08:21:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 08:21:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 08:21:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-14 08:21:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 08:21:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 08:21:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-14 08:21:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-14 08:21:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 08:21:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-14 08:21:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 08:21:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-14 08:21:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-14 08:21:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-10-14 08:21:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-14 08:21:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-14 08:21:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-14 08:21:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-14 08:21:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-14 08:21:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-14 08:21:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-14 08:21:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-14 08:21:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-14 08:21:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-10-14 08:21:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-14 08:21:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2024-10-14 08:21:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-10-14 08:21:12,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:21:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429246577] [2024-10-14 08:21:12,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429246577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:21:12,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:21:12,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:21:12,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801503114] [2024-10-14 08:21:12,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:21:12,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:21:12,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:21:12,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:21:12,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:21:12,830 INFO L87 Difference]: Start difference. First operand 331 states and 549 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2024-10-14 08:21:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:21:12,904 INFO L93 Difference]: Finished difference Result 900 states and 1490 transitions. [2024-10-14 08:21:12,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:21:12,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) Word has length 451 [2024-10-14 08:21:12,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:21:12,910 INFO L225 Difference]: With dead ends: 900 [2024-10-14 08:21:12,910 INFO L226 Difference]: Without dead ends: 570 [2024-10-14 08:21:12,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 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 08:21:12,912 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 209 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:21:12,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 778 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:21:12,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-14 08:21:12,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 567. [2024-10-14 08:21:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 392 states have (on average 1.5178571428571428) internal successors, (595), 395 states have internal predecessors, (595), 170 states have call successors, (170), 4 states have call predecessors, (170), 4 states have return successors, (170), 167 states have call predecessors, (170), 170 states have call successors, (170) [2024-10-14 08:21:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 935 transitions. [2024-10-14 08:21:12,948 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 935 transitions. Word has length 451 [2024-10-14 08:21:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:21:12,949 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 935 transitions. [2024-10-14 08:21:12,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2024-10-14 08:21:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 935 transitions. [2024-10-14 08:21:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2024-10-14 08:21:12,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:21:12,953 INFO L215 NwaCegarLoop]: trace histogram [72, 72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:12,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 08:21:12,954 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:21:12,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:21:12,954 INFO L85 PathProgramCache]: Analyzing trace with hash -302842603, now seen corresponding path program 1 times [2024-10-14 08:21:12,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:21:12,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397413997] [2024-10-14 08:21:12,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:21:12,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:21:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:21:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:21:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:21:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:21:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:21:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:21:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:21:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:21:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:21:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:21:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:21:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:21:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:21:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:21:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:21:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:21:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:21:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:21:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:21:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:21:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:21:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:21:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 08:21:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:21:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:21:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:21:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:21:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 08:21:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:21:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 08:21:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:21:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 08:21:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:21:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 08:21:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:21:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:21:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 08:21:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:21:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 08:21:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:21:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:21:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:21:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 08:21:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 08:21:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 08:21:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 08:21:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 08:21:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 08:21:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 08:21:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-14 08:21:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 08:21:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 08:21:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-14 08:21:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-14 08:21:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 08:21:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-14 08:21:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 08:21:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-14 08:21:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-14 08:21:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-10-14 08:21:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-14 08:21:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-14 08:21:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-14 08:21:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-14 08:21:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-14 08:21:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-14 08:21:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-14 08:21:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-14 08:21:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-14 08:21:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-10-14 08:21:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-14 08:21:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2024-10-14 08:21:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-10-14 08:21:13,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:21:13,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397413997] [2024-10-14 08:21:13,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397413997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:21:13,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:21:13,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:21:13,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697987291] [2024-10-14 08:21:13,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:21:13,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:21:13,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:21:13,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:21:13,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:21:13,551 INFO L87 Difference]: Start difference. First operand 567 states and 935 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2024-10-14 08:21:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:21:13,608 INFO L93 Difference]: Finished difference Result 1699 states and 2803 transitions. [2024-10-14 08:21:13,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:21:13,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) Word has length 451 [2024-10-14 08:21:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:21:13,614 INFO L225 Difference]: With dead ends: 1699 [2024-10-14 08:21:13,614 INFO L226 Difference]: Without dead ends: 1133 [2024-10-14 08:21:13,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 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 08:21:13,616 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 203 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:21:13,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 689 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:21:13,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-14 08:21:13,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1127. [2024-10-14 08:21:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 778 states have (on average 1.5115681233933163) internal successors, (1176), 784 states have internal predecessors, (1176), 340 states have call successors, (340), 8 states have call predecessors, (340), 8 states have return successors, (340), 334 states have call predecessors, (340), 340 states have call successors, (340) [2024-10-14 08:21:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1856 transitions. [2024-10-14 08:21:13,732 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1856 transitions. Word has length 451 [2024-10-14 08:21:13,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:21:13,736 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1856 transitions. [2024-10-14 08:21:13,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2024-10-14 08:21:13,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1856 transitions. [2024-10-14 08:21:13,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2024-10-14 08:21:13,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:21:13,745 INFO L215 NwaCegarLoop]: trace histogram [72, 72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:13,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 08:21:13,745 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:21:13,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:21:13,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1991786345, now seen corresponding path program 1 times [2024-10-14 08:21:13,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:21:13,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421568660] [2024-10-14 08:21:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:21:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:21:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:21:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:21:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:21:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:21:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:21:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:21:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:21:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:21:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:21:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:21:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:21:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:21:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:21:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:21:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:21:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:21:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:21:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:21:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:21:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:21:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:21:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:21:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 08:21:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:21:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:21:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:21:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:21:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 08:21:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:21:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 08:21:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:21:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 08:21:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:21:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 08:21:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:21:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:21:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 08:21:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:21:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 08:21:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:21:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:21:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:21:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 08:21:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 08:21:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 08:21:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 08:21:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 08:21:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 08:21:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 08:21:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-14 08:21:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-14 08:21:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 08:21:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-14 08:21:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-14 08:21:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 08:21:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-14 08:21:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 08:21:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-14 08:21:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-14 08:21:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-10-14 08:21:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-14 08:21:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-14 08:21:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-14 08:21:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-14 08:21:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-14 08:21:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-14 08:21:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-14 08:21:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-14 08:21:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-14 08:21:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-10-14 08:21:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-14 08:21:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2024-10-14 08:21:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:21:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-10-14 08:21:14,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:21:14,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421568660] [2024-10-14 08:21:14,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421568660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:21:14,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:21:14,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 08:21:14,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117984741] [2024-10-14 08:21:14,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:21:14,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 08:21:14,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:21:14,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 08:21:14,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:21:14,385 INFO L87 Difference]: Start difference. First operand 1127 states and 1856 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2024-10-14 08:21:14,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:21:14,685 INFO L93 Difference]: Finished difference Result 2877 states and 4749 transitions. [2024-10-14 08:21:14,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 08:21:14,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) Word has length 451 [2024-10-14 08:21:14,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:21:14,694 INFO L225 Difference]: With dead ends: 2877 [2024-10-14 08:21:14,695 INFO L226 Difference]: Without dead ends: 1751 [2024-10-14 08:21:14,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 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 08:21:14,698 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 290 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 08:21:14,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1028 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 08:21:14,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2024-10-14 08:21:14,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1501. [2024-10-14 08:21:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 1078 states have (on average 1.5630797773654916) internal successors, (1685), 1084 states have internal predecessors, (1685), 412 states have call successors, (412), 10 states have call predecessors, (412), 10 states have return successors, (412), 406 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-14 08:21:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 2509 transitions. [2024-10-14 08:21:14,800 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 2509 transitions. Word has length 451 [2024-10-14 08:21:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:21:14,801 INFO L471 AbstractCegarLoop]: Abstraction has 1501 states and 2509 transitions. [2024-10-14 08:21:14,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2024-10-14 08:21:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2509 transitions. [2024-10-14 08:21:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2024-10-14 08:21:14,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:21:14,804 INFO L215 NwaCegarLoop]: trace histogram [72, 72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:14,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 08:21:14,805 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:21:14,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:21:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1658424306, now seen corresponding path program 1 times [2024-10-14 08:21:14,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:21:14,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702490429] [2024-10-14 08:21:14,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:21:14,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:21:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat