./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2756a3afeabee0bd07615570da162530b76933ca347aab7efd24527f8af5fb3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:24:33,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:24:33,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:24:33,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:24:33,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:24:33,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:24:33,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:24:33,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:24:33,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:24:33,975 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:24:33,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:24:33,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:24:33,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:24:33,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:24:33,978 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:24:33,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:24:33,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:24:33,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:24:33,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:24:33,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:24:33,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:24:33,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:24:33,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:24:33,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:24:33,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:24:33,985 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:24:33,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:24:33,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:24:33,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:24:33,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:24:33,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:24:33,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:24:33,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:24:33,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:24:33,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:24:33,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:24:33,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:24:33,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:24:33,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:24:33,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:24:33,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:24:33,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:24:33,991 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2756a3afeabee0bd07615570da162530b76933ca347aab7efd24527f8af5fb3 [2024-10-11 10:24:34,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:24:34,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:24:34,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:24:34,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:24:34,268 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:24:34,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-11 10:24:35,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:24:35,941 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:24:35,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-11 10:24:35,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e6d6a5139/913834c092a24a42908e6ed2c79f6970/FLAG207bee571 [2024-10-11 10:24:35,961 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e6d6a5139/913834c092a24a42908e6ed2c79f6970 [2024-10-11 10:24:35,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:24:35,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:24:35,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:24:35,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:24:35,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:24:35,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:24:35" (1/1) ... [2024-10-11 10:24:35,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7297c1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:35, skipping insertion in model container [2024-10-11 10:24:35,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:24:35" (1/1) ... [2024-10-11 10:24:36,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:24:36,169 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i[919,932] [2024-10-11 10:24:36,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:24:36,285 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:24:36,297 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i[919,932] [2024-10-11 10:24:36,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:24:36,357 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:24:36,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36 WrapperNode [2024-10-11 10:24:36,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:24:36,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:24:36,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:24:36,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:24:36,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,420 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2024-10-11 10:24:36,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:24:36,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:24:36,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:24:36,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:24:36,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,460 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 10:24:36,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:24:36,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:24:36,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:24:36,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:24:36,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (1/1) ... [2024-10-11 10:24:36,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:24:36,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:24:36,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:24:36,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:24:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:24:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:24:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:24:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:24:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:24:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:24:36,670 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:24:36,675 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:24:37,140 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-11 10:24:37,141 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:24:37,196 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:24:37,196 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:24:37,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:24:37 BoogieIcfgContainer [2024-10-11 10:24:37,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:24:37,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:24:37,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:24:37,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:24:37,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:24:35" (1/3) ... [2024-10-11 10:24:37,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c448b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:24:37, skipping insertion in model container [2024-10-11 10:24:37,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:24:36" (2/3) ... [2024-10-11 10:24:37,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c448b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:24:37, skipping insertion in model container [2024-10-11 10:24:37,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:24:37" (3/3) ... [2024-10-11 10:24:37,206 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-11 10:24:37,224 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:24:37,224 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:24:37,290 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:24:37,298 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;@6db21863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:24:37,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:24:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 57 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 10:24:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 10:24:37,314 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:37,314 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:37,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:37,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:37,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1497455468, now seen corresponding path program 1 times [2024-10-11 10:24:37,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:37,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765487162] [2024-10-11 10:24:37,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:37,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:37,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:37,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765487162] [2024-10-11 10:24:37,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765487162] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:37,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:37,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:24:37,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315925684] [2024-10-11 10:24:37,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:37,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:24:37,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:37,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:24:37,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:24:37,833 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 57 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 10:24:37,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:37,887 INFO L93 Difference]: Finished difference Result 159 states and 278 transitions. [2024-10-11 10:24:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:24:37,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2024-10-11 10:24:37,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:37,902 INFO L225 Difference]: With dead ends: 159 [2024-10-11 10:24:37,902 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 10:24:37,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:24:37,910 INFO L432 NwaCegarLoop]: 121 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, 121 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:37,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:24:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 10:24:37,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-11 10:24:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 55 states have internal predecessors, (80), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 10:24:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 124 transitions. [2024-10-11 10:24:37,958 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 124 transitions. Word has length 148 [2024-10-11 10:24:37,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:37,959 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 124 transitions. [2024-10-11 10:24:37,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 10:24:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2024-10-11 10:24:37,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 10:24:37,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:37,964 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:37,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:24:37,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:37,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:37,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1430075996, now seen corresponding path program 1 times [2024-10-11 10:24:37,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:37,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659066386] [2024-10-11 10:24:37,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:37,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:38,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:38,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659066386] [2024-10-11 10:24:38,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659066386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:38,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:38,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:24:38,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493235129] [2024-10-11 10:24:38,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:38,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:24:38,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:38,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:24:38,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:38,525 INFO L87 Difference]: Start difference. First operand 79 states and 124 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:38,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:38,612 INFO L93 Difference]: Finished difference Result 235 states and 370 transitions. [2024-10-11 10:24:38,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:24:38,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2024-10-11 10:24:38,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:38,620 INFO L225 Difference]: With dead ends: 235 [2024-10-11 10:24:38,620 INFO L226 Difference]: Without dead ends: 157 [2024-10-11 10:24:38,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:38,623 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 80 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:38,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 251 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:24:38,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-10-11 10:24:38,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2024-10-11 10:24:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 107 states have (on average 1.4485981308411215) internal successors, (155), 107 states have internal predecessors, (155), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 10:24:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 243 transitions. [2024-10-11 10:24:38,672 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 243 transitions. Word has length 148 [2024-10-11 10:24:38,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:38,673 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 243 transitions. [2024-10-11 10:24:38,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2024-10-11 10:24:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 10:24:38,677 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:38,677 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:38,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:24:38,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:38,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:38,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2025360208, now seen corresponding path program 1 times [2024-10-11 10:24:38,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:38,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465745114] [2024-10-11 10:24:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:39,412 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:39,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:39,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465745114] [2024-10-11 10:24:39,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465745114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:39,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:39,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:24:39,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020724718] [2024-10-11 10:24:39,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:39,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:24:39,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:39,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:24:39,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:39,418 INFO L87 Difference]: Start difference. First operand 154 states and 243 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:39,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:39,508 INFO L93 Difference]: Finished difference Result 458 states and 725 transitions. [2024-10-11 10:24:39,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:24:39,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-10-11 10:24:39,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:39,517 INFO L225 Difference]: With dead ends: 458 [2024-10-11 10:24:39,517 INFO L226 Difference]: Without dead ends: 305 [2024-10-11 10:24:39,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:39,521 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 85 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:39,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 231 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:24:39,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-10-11 10:24:39,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 303. [2024-10-11 10:24:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 210 states have (on average 1.4476190476190476) internal successors, (304), 210 states have internal predecessors, (304), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-11 10:24:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 480 transitions. [2024-10-11 10:24:39,571 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 480 transitions. Word has length 149 [2024-10-11 10:24:39,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:39,571 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 480 transitions. [2024-10-11 10:24:39,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 480 transitions. [2024-10-11 10:24:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 10:24:39,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:39,574 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:39,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:24:39,575 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:39,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:39,575 INFO L85 PathProgramCache]: Analyzing trace with hash -347527860, now seen corresponding path program 1 times [2024-10-11 10:24:39,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:39,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675899782] [2024-10-11 10:24:39,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:39,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:40,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:40,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675899782] [2024-10-11 10:24:40,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675899782] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:40,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:40,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:24:40,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365088528] [2024-10-11 10:24:40,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:40,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:24:40,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:40,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:24:40,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:40,417 INFO L87 Difference]: Start difference. First operand 303 states and 480 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:40,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:40,570 INFO L93 Difference]: Finished difference Result 666 states and 1054 transitions. [2024-10-11 10:24:40,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:24:40,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-10-11 10:24:40,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:40,575 INFO L225 Difference]: With dead ends: 666 [2024-10-11 10:24:40,577 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 10:24:40,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:40,580 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 49 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:40,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 204 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:24:40,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 10:24:40,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 354. [2024-10-11 10:24:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 238 states have (on average 1.411764705882353) internal successors, (336), 238 states have internal predecessors, (336), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-11 10:24:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 556 transitions. [2024-10-11 10:24:40,667 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 556 transitions. Word has length 150 [2024-10-11 10:24:40,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:40,667 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 556 transitions. [2024-10-11 10:24:40,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 556 transitions. [2024-10-11 10:24:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-11 10:24:40,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:40,670 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:40,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 10:24:40,670 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:40,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1521619185, now seen corresponding path program 1 times [2024-10-11 10:24:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:40,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380875644] [2024-10-11 10:24:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:40,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:40,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:40,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380875644] [2024-10-11 10:24:40,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380875644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:40,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:40,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:24:40,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613114415] [2024-10-11 10:24:40,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:40,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:24:40,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:40,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:24:40,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:40,856 INFO L87 Difference]: Start difference. First operand 354 states and 556 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:40,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:40,938 INFO L93 Difference]: Finished difference Result 688 states and 1091 transitions. [2024-10-11 10:24:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:24:40,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-11 10:24:40,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:40,945 INFO L225 Difference]: With dead ends: 688 [2024-10-11 10:24:40,945 INFO L226 Difference]: Without dead ends: 386 [2024-10-11 10:24:40,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:40,949 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 11 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:40,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 226 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:24:40,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-11 10:24:41,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 362. [2024-10-11 10:24:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 246 states have (on average 1.4146341463414633) internal successors, (348), 246 states have internal predecessors, (348), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-11 10:24:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 568 transitions. [2024-10-11 10:24:41,006 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 568 transitions. Word has length 151 [2024-10-11 10:24:41,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:41,006 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 568 transitions. [2024-10-11 10:24:41,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 568 transitions. [2024-10-11 10:24:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 10:24:41,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:41,009 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:41,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 10:24:41,010 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:41,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:41,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1913082594, now seen corresponding path program 1 times [2024-10-11 10:24:41,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:41,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427292693] [2024-10-11 10:24:41,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:41,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:41,337 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:41,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:41,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427292693] [2024-10-11 10:24:41,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427292693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:41,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:41,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:24:41,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82122377] [2024-10-11 10:24:41,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:41,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:24:41,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:41,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:24:41,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:41,341 INFO L87 Difference]: Start difference. First operand 362 states and 568 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:41,439 INFO L93 Difference]: Finished difference Result 682 states and 1076 transitions. [2024-10-11 10:24:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:24:41,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-11 10:24:41,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:41,445 INFO L225 Difference]: With dead ends: 682 [2024-10-11 10:24:41,446 INFO L226 Difference]: Without dead ends: 372 [2024-10-11 10:24:41,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:24:41,449 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 47 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:41,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 220 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:24:41,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-11 10:24:41,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 363. [2024-10-11 10:24:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 247 states have (on average 1.4129554655870444) internal successors, (349), 247 states have internal predecessors, (349), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-11 10:24:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 569 transitions. [2024-10-11 10:24:41,513 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 569 transitions. Word has length 152 [2024-10-11 10:24:41,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:41,514 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 569 transitions. [2024-10-11 10:24:41,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 569 transitions. [2024-10-11 10:24:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 10:24:41,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:41,517 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:41,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 10:24:41,517 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:41,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash 639385673, now seen corresponding path program 1 times [2024-10-11 10:24:41,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:41,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681890778] [2024-10-11 10:24:41,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:42,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:42,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681890778] [2024-10-11 10:24:42,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681890778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:42,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:42,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:24:42,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328857701] [2024-10-11 10:24:42,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:42,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:24:42,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:42,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:24:42,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:24:42,555 INFO L87 Difference]: Start difference. First operand 363 states and 569 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:42,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:42,903 INFO L93 Difference]: Finished difference Result 692 states and 1088 transitions. [2024-10-11 10:24:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:24:42,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-11 10:24:42,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:42,908 INFO L225 Difference]: With dead ends: 692 [2024-10-11 10:24:42,908 INFO L226 Difference]: Without dead ends: 370 [2024-10-11 10:24:42,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 10:24:42,910 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 52 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:42,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 347 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 10:24:42,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-10-11 10:24:42,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 363. [2024-10-11 10:24:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 247 states have (on average 1.408906882591093) internal successors, (348), 247 states have internal predecessors, (348), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-11 10:24:42,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 568 transitions. [2024-10-11 10:24:42,970 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 568 transitions. Word has length 152 [2024-10-11 10:24:42,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:42,971 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 568 transitions. [2024-10-11 10:24:42,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 568 transitions. [2024-10-11 10:24:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 10:24:42,972 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:42,973 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:42,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 10:24:42,973 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:42,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:42,973 INFO L85 PathProgramCache]: Analyzing trace with hash -2067233721, now seen corresponding path program 1 times [2024-10-11 10:24:42,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:42,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927059527] [2024-10-11 10:24:42,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:42,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:52,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:52,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927059527] [2024-10-11 10:24:52,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927059527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:52,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:52,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 10:24:52,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786309006] [2024-10-11 10:24:52,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:52,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 10:24:52,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:52,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 10:24:52,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-11 10:24:52,343 INFO L87 Difference]: Start difference. First operand 363 states and 568 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:56,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:56,976 INFO L93 Difference]: Finished difference Result 688 states and 1050 transitions. [2024-10-11 10:24:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 10:24:56,981 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-11 10:24:56,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:56,986 INFO L225 Difference]: With dead ends: 688 [2024-10-11 10:24:56,987 INFO L226 Difference]: Without dead ends: 686 [2024-10-11 10:24:56,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=322, Invalid=800, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 10:24:56,988 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 369 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:56,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 627 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 10:24:56,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-10-11 10:24:57,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 552. [2024-10-11 10:24:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 390 states have (on average 1.4230769230769231) internal successors, (555), 390 states have internal predecessors, (555), 154 states have call successors, (154), 7 states have call predecessors, (154), 7 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-11 10:24:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 863 transitions. [2024-10-11 10:24:57,061 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 863 transitions. Word has length 152 [2024-10-11 10:24:57,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:57,061 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 863 transitions. [2024-10-11 10:24:57,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 863 transitions. [2024-10-11 10:24:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 10:24:57,063 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:57,063 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:57,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 10:24:57,064 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:57,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:57,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1834706565, now seen corresponding path program 1 times [2024-10-11 10:24:57,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:57,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413880724] [2024-10-11 10:24:57,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:57,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:24:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:24:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:24:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:24:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:24:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:24:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:24:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:24:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:24:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:24:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:24:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:24:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:24:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:24:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:24:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:24:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:24:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:24:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:24:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:24:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:24:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:24:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:24:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:24:57,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:24:57,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413880724] [2024-10-11 10:24:57,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413880724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:24:57,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:24:57,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:24:57,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867485986] [2024-10-11 10:24:57,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:24:57,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:24:57,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:24:57,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:24:57,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:24:57,285 INFO L87 Difference]: Start difference. First operand 552 states and 863 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:57,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:24:57,469 INFO L93 Difference]: Finished difference Result 1169 states and 1841 transitions. [2024-10-11 10:24:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:24:57,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-11 10:24:57,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:24:57,474 INFO L225 Difference]: With dead ends: 1169 [2024-10-11 10:24:57,474 INFO L226 Difference]: Without dead ends: 670 [2024-10-11 10:24:57,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:24:57,477 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 138 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:24:57,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 482 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:24:57,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-10-11 10:24:57,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 473. [2024-10-11 10:24:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 334 states have (on average 1.4251497005988023) internal successors, (476), 334 states have internal predecessors, (476), 132 states have call successors, (132), 6 states have call predecessors, (132), 6 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-11 10:24:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 740 transitions. [2024-10-11 10:24:57,531 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 740 transitions. Word has length 152 [2024-10-11 10:24:57,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:24:57,532 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 740 transitions. [2024-10-11 10:24:57,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:24:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 740 transitions. [2024-10-11 10:24:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 10:24:57,534 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:24:57,534 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:24:57,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 10:24:57,534 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:24:57,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:24:57,534 INFO L85 PathProgramCache]: Analyzing trace with hash -835083449, now seen corresponding path program 1 times [2024-10-11 10:24:57,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:24:57,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847746958] [2024-10-11 10:24:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:24:57,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:24:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:25:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:25:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:25:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:25:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:25:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:25:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:25:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:25:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:25:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:25:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:25:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:25:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:25:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:25:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:25:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:25:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:25:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:25:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:25:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:25:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:25:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:25:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:03,649 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:25:03,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:25:03,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847746958] [2024-10-11 10:25:03,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847746958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:25:03,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:25:03,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 10:25:03,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371180991] [2024-10-11 10:25:03,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:25:03,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 10:25:03,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:25:03,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 10:25:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 10:25:03,653 INFO L87 Difference]: Start difference. First operand 473 states and 740 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:25:04,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:25:04,891 INFO L93 Difference]: Finished difference Result 825 states and 1273 transitions. [2024-10-11 10:25:04,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 10:25:04,892 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-11 10:25:04,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:25:04,895 INFO L225 Difference]: With dead ends: 825 [2024-10-11 10:25:04,896 INFO L226 Difference]: Without dead ends: 564 [2024-10-11 10:25:04,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-10-11 10:25:04,897 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 245 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:25:04,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 592 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 10:25:04,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-10-11 10:25:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 493. [2024-10-11 10:25:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 346 states have (on average 1.4017341040462428) internal successors, (485), 347 states have internal predecessors, (485), 138 states have call successors, (138), 8 states have call predecessors, (138), 8 states have return successors, (138), 137 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-11 10:25:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 761 transitions. [2024-10-11 10:25:04,955 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 761 transitions. Word has length 152 [2024-10-11 10:25:04,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:25:04,956 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 761 transitions. [2024-10-11 10:25:04,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:25:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 761 transitions. [2024-10-11 10:25:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 10:25:04,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:25:04,960 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:25:04,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 10:25:04,960 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:25:04,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:25:04,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1640927561, now seen corresponding path program 1 times [2024-10-11 10:25:04,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:25:04,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897932254] [2024-10-11 10:25:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:25:04,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:25:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:25:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:25:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:25:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:25:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:25:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:25:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:25:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:25:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:25:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:25:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:25:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:25:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:25:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:25:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:25:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:25:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:25:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:25:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:25:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:25:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:25:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:25:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:25:05,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:25:05,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897932254] [2024-10-11 10:25:05,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897932254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:25:05,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:25:05,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:25:05,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602192984] [2024-10-11 10:25:05,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:25:05,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:25:05,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:25:05,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:25:05,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:25:05,135 INFO L87 Difference]: Start difference. First operand 493 states and 761 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:25:05,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:25:05,281 INFO L93 Difference]: Finished difference Result 650 states and 1008 transitions. [2024-10-11 10:25:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:25:05,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-11 10:25:05,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:25:05,287 INFO L225 Difference]: With dead ends: 650 [2024-10-11 10:25:05,288 INFO L226 Difference]: Without dead ends: 334 [2024-10-11 10:25:05,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:25:05,289 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 126 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:25:05,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 182 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:25:05,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-11 10:25:05,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 328. [2024-10-11 10:25:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 227 states have (on average 1.3524229074889869) internal successors, (307), 228 states have internal predecessors, (307), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-11 10:25:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 495 transitions. [2024-10-11 10:25:05,326 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 495 transitions. Word has length 152 [2024-10-11 10:25:05,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:25:05,327 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 495 transitions. [2024-10-11 10:25:05,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:25:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 495 transitions. [2024-10-11 10:25:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-11 10:25:05,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:25:05,329 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:25:05,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 10:25:05,330 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:25:05,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:25:05,330 INFO L85 PathProgramCache]: Analyzing trace with hash 339765477, now seen corresponding path program 1 times [2024-10-11 10:25:05,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:25:05,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770592555] [2024-10-11 10:25:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:25:05,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:25:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:25:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:25:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:25:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:25:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:25:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:25:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:25:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:25:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:25:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:25:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:25:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:25:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:25:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:25:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:25:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:25:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:25:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:25:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:25:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:25:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:25:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:25:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:25:11,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:25:11,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770592555] [2024-10-11 10:25:11,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770592555] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:25:11,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:25:11,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 10:25:11,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789221225] [2024-10-11 10:25:11,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:25:11,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 10:25:11,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:25:11,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 10:25:11,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-11 10:25:11,415 INFO L87 Difference]: Start difference. First operand 328 states and 495 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:25:12,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:25:12,896 INFO L93 Difference]: Finished difference Result 616 states and 929 transitions. [2024-10-11 10:25:12,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 10:25:12,900 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-10-11 10:25:12,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:25:12,903 INFO L225 Difference]: With dead ends: 616 [2024-10-11 10:25:12,904 INFO L226 Difference]: Without dead ends: 345 [2024-10-11 10:25:12,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2024-10-11 10:25:12,906 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 264 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 10:25:12,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 524 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 10:25:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-11 10:25:12,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 331. [2024-10-11 10:25:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 230 states have (on average 1.3304347826086957) internal successors, (306), 231 states have internal predecessors, (306), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-11 10:25:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 494 transitions. [2024-10-11 10:25:12,948 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 494 transitions. Word has length 153 [2024-10-11 10:25:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:25:12,949 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 494 transitions. [2024-10-11 10:25:12,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 10:25:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 494 transitions. [2024-10-11 10:25:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-11 10:25:12,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:25:12,952 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:25:12,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 10:25:12,952 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:25:12,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:25:12,952 INFO L85 PathProgramCache]: Analyzing trace with hash 582782823, now seen corresponding path program 1 times [2024-10-11 10:25:12,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:25:12,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424554844] [2024-10-11 10:25:12,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:25:12,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:25:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:25:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:25:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:25:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:25:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:25:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:25:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:25:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:25:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:25:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:25:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:25:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:25:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:25:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:25:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:25:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:25:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:25:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:25:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:25:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:25:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:25:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:25:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-11 10:25:20,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:25:20,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424554844] [2024-10-11 10:25:20,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424554844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:25:20,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:25:20,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 10:25:20,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135510104] [2024-10-11 10:25:20,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:25:20,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 10:25:20,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:25:20,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 10:25:20,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 10:25:20,704 INFO L87 Difference]: Start difference. First operand 331 states and 494 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-11 10:25:21,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:25:21,507 INFO L93 Difference]: Finished difference Result 630 states and 942 transitions. [2024-10-11 10:25:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 10:25:21,508 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 153 [2024-10-11 10:25:21,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:25:21,514 INFO L225 Difference]: With dead ends: 630 [2024-10-11 10:25:21,514 INFO L226 Difference]: Without dead ends: 356 [2024-10-11 10:25:21,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-11 10:25:21,517 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 115 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 10:25:21,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 665 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 10:25:21,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-11 10:25:21,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 339. [2024-10-11 10:25:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 238 states have (on average 1.3361344537815125) internal successors, (318), 239 states have internal predecessors, (318), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-11 10:25:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 506 transitions. [2024-10-11 10:25:21,558 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 506 transitions. Word has length 153 [2024-10-11 10:25:21,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:25:21,559 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 506 transitions. [2024-10-11 10:25:21,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-11 10:25:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 506 transitions. [2024-10-11 10:25:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-10-11 10:25:21,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:25:21,564 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:25:21,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 10:25:21,564 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:25:21,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:25:21,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1233499808, now seen corresponding path program 1 times [2024-10-11 10:25:21,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:25:21,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276553626] [2024-10-11 10:25:21,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:25:21,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:25:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:25:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:25:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:25:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:25:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:25:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:25:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:25:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:25:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:25:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:25:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:25:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:25:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:25:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:25:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:25:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:25:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:25:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:25:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:25:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:25:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:25:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:25:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 10:25:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 10:25:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 10:25:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:25:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 10:25:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:25:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 10:25:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:25:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 10:25:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:25:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 10:25:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:25:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 10:25:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:25:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-11 10:25:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 10:25:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 10:25:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 10:25:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 10:25:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 10:25:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-11 10:25:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 10:25:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 10:25:21,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:25:21,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276553626] [2024-10-11 10:25:21,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276553626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:25:21,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:25:21,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:25:21,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834998802] [2024-10-11 10:25:21,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:25:21,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:25:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:25:21,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:25:21,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:25:21,803 INFO L87 Difference]: Start difference. First operand 339 states and 506 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 10:25:22,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:25:22,084 INFO L93 Difference]: Finished difference Result 825 states and 1248 transitions. [2024-10-11 10:25:22,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:25:22,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 300 [2024-10-11 10:25:22,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:25:22,089 INFO L225 Difference]: With dead ends: 825 [2024-10-11 10:25:22,089 INFO L226 Difference]: Without dead ends: 551 [2024-10-11 10:25:22,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 10:25:22,090 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 374 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:25:22,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 461 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:25:22,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-10-11 10:25:22,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 492. [2024-10-11 10:25:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 328 states have (on average 1.3048780487804879) internal successors, (428), 328 states have internal predecessors, (428), 154 states have call successors, (154), 9 states have call predecessors, (154), 9 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-11 10:25:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 736 transitions. [2024-10-11 10:25:22,145 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 736 transitions. Word has length 300 [2024-10-11 10:25:22,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:25:22,145 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 736 transitions. [2024-10-11 10:25:22,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 10:25:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 736 transitions. [2024-10-11 10:25:22,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-11 10:25:22,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:25:22,149 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:25:22,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 10:25:22,150 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:25:22,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:25:22,150 INFO L85 PathProgramCache]: Analyzing trace with hash -470712556, now seen corresponding path program 1 times [2024-10-11 10:25:22,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:25:22,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729008153] [2024-10-11 10:25:22,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:25:22,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:25:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:25:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:25:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:25:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:25:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:25:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:25:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:25:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:25:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:25:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:25:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:25:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:25:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:25:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:25:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:25:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:25:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:25:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:25:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:25:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:25:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:25:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:25:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 10:25:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 10:25:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 10:25:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:25:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 10:25:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:25:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 10:25:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:25:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 10:25:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:25:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 10:25:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:25:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 10:25:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:25:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-11 10:25:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 10:25:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 10:25:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 10:25:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 10:25:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 10:25:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-11 10:25:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 10:25:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 10:25:22,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:25:22,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729008153] [2024-10-11 10:25:22,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729008153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:25:22,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:25:22,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:25:22,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160379383] [2024-10-11 10:25:22,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:25:22,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:25:22,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:25:22,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:25:22,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:25:22,372 INFO L87 Difference]: Start difference. First operand 492 states and 736 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 10:25:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:25:22,470 INFO L93 Difference]: Finished difference Result 1043 states and 1581 transitions. [2024-10-11 10:25:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:25:22,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 301 [2024-10-11 10:25:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:25:22,476 INFO L225 Difference]: With dead ends: 1043 [2024-10-11 10:25:22,476 INFO L226 Difference]: Without dead ends: 771 [2024-10-11 10:25:22,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:25:22,479 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:25:22,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 326 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:25:22,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-10-11 10:25:22,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 714. [2024-10-11 10:25:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 458 states have (on average 1.2838427947598254) internal successors, (588), 458 states have internal predecessors, (588), 242 states have call successors, (242), 13 states have call predecessors, (242), 13 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2024-10-11 10:25:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1072 transitions. [2024-10-11 10:25:22,554 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1072 transitions. Word has length 301 [2024-10-11 10:25:22,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:25:22,555 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 1072 transitions. [2024-10-11 10:25:22,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-11 10:25:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1072 transitions. [2024-10-11 10:25:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-11 10:25:22,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:25:22,559 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:25:22,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 10:25:22,559 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:25:22,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:25:22,560 INFO L85 PathProgramCache]: Analyzing trace with hash 718115083, now seen corresponding path program 1 times [2024-10-11 10:25:22,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:25:22,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995885977] [2024-10-11 10:25:22,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:25:22,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:25:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:25:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:25:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:25:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:25:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:25:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:25:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:25:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:25:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:25:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:25:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:25:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:25:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:25:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:25:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:25:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:25:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:25:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 10:25:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:25:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 10:25:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:25:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 10:25:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 10:25:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 10:25:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 10:25:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:25:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 10:25:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:25:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 10:25:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:25:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 10:25:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:25:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 10:25:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:25:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 10:25:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:25:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-11 10:25:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-11 10:25:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 10:25:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 10:25:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 10:25:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 10:25:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-11 10:25:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 10:25:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-11 10:25:23,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:25:23,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995885977] [2024-10-11 10:25:23,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995885977] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 10:25:23,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487608222] [2024-10-11 10:25:23,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:25:23,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 10:25:23,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:25:23,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 10:25:23,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 10:25:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:25:23,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 10:25:23,521 INFO L278 TraceCheckSpWp]: Computing forward predicates...