./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_floatingpointinfluence_no-floats_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-44.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16796499fc39343c4597b6d5b8afaf71194257ba1a30d074f591989e1c38b993 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:55:13,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:55:13,223 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:55:13,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:55:13,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:55:13,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:55:13,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:55:13,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:55:13,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:55:13,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:55:13,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:55:13,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:55:13,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:55:13,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:55:13,246 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:55:13,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:55:13,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:55:13,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:55:13,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:55:13,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:55:13,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:55:13,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:55:13,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:55:13,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:55:13,252 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:55:13,252 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:55:13,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:55:13,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:55:13,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:55:13,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:55:13,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:55:13,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:55:13,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:55:13,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:55:13,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:55:13,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:55:13,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:55:13,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:55:13,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:55:13,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:55:13,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:55:13,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:55:13,259 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16796499fc39343c4597b6d5b8afaf71194257ba1a30d074f591989e1c38b993 [2024-10-24 08:55:13,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:55:13,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:55:13,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:55:13,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:55:13,482 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:55:13,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-44.i [2024-10-24 08:55:14,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:55:14,954 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:55:14,954 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-44.i [2024-10-24 08:55:14,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40e5ef87/2f629e62423f49c49fa5750576786aa4/FLAGa869839a2 [2024-10-24 08:55:15,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40e5ef87/2f629e62423f49c49fa5750576786aa4 [2024-10-24 08:55:15,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:55:15,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:55:15,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:55:15,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:55:15,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:55:15,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a62f896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15, skipping insertion in model container [2024-10-24 08:55:15,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:55:15,514 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_floatingpointinfluence_no-floats_file-44.i[916,929] [2024-10-24 08:55:15,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:55:15,554 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:55:15,564 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_floatingpointinfluence_no-floats_file-44.i[916,929] [2024-10-24 08:55:15,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:55:15,653 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:55:15,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15 WrapperNode [2024-10-24 08:55:15,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:55:15,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:55:15,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:55:15,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:55:15,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,714 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2024-10-24 08:55:15,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:55:15,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:55:15,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:55:15,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:55:15,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,739 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]. [2024-10-24 08:55:15,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:55:15,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:55:15,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:55:15,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:55:15,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (1/1) ... [2024-10-24 08:55:15,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:55:15,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:55:15,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:55:15,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:55:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:55:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:55:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:55:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:55:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:55:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:55:15,951 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:55:15,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:55:16,190 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-24 08:55:16,190 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:55:16,230 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:55:16,231 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:55:16,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:55:16 BoogieIcfgContainer [2024-10-24 08:55:16,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:55:16,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:55:16,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:55:16,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:55:16,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:55:15" (1/3) ... [2024-10-24 08:55:16,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e489f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:55:16, skipping insertion in model container [2024-10-24 08:55:16,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:55:15" (2/3) ... [2024-10-24 08:55:16,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e489f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:55:16, skipping insertion in model container [2024-10-24 08:55:16,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:55:16" (3/3) ... [2024-10-24 08:55:16,244 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-44.i [2024-10-24 08:55:16,258 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:55:16,258 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:55:16,305 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:55:16,310 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;@12d10177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:55:16,310 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:55:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 08:55:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-24 08:55:16,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:16,323 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:16,324 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:16,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:16,328 INFO L85 PathProgramCache]: Analyzing trace with hash -366032691, now seen corresponding path program 1 times [2024-10-24 08:55:16,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:16,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82039212] [2024-10-24 08:55:16,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:16,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:16,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:16,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82039212] [2024-10-24 08:55:16,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82039212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:16,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:16,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:55:16,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641485428] [2024-10-24 08:55:16,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:16,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:55:16,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:16,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:55:16,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:55:16,701 INFO L87 Difference]: Start difference. First operand has 55 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-24 08:55:16,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:16,740 INFO L93 Difference]: Finished difference Result 107 states and 193 transitions. [2024-10-24 08:55:16,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:55:16,744 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 136 [2024-10-24 08:55:16,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:16,750 INFO L225 Difference]: With dead ends: 107 [2024-10-24 08:55:16,750 INFO L226 Difference]: Without dead ends: 53 [2024-10-24 08:55:16,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:55:16,756 INFO L432 NwaCegarLoop]: 78 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, 78 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 [2024-10-24 08:55:16,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:55:16,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-24 08:55:16,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-24 08:55:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 08:55:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 81 transitions. [2024-10-24 08:55:16,802 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 81 transitions. Word has length 136 [2024-10-24 08:55:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:16,802 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 81 transitions. [2024-10-24 08:55:16,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-24 08:55:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-10-24 08:55:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-24 08:55:16,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:16,805 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:16,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:55:16,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:16,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:16,807 INFO L85 PathProgramCache]: Analyzing trace with hash 342930763, now seen corresponding path program 1 times [2024-10-24 08:55:16,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:16,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395306199] [2024-10-24 08:55:16,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:16,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:20,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:20,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395306199] [2024-10-24 08:55:20,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395306199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:20,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:20,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 08:55:20,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576899975] [2024-10-24 08:55:20,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:20,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 08:55:20,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:20,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 08:55:20,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 08:55:20,470 INFO L87 Difference]: Start difference. First operand 53 states and 81 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:25,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 08:55:25,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:25,136 INFO L93 Difference]: Finished difference Result 81 states and 116 transitions. [2024-10-24 08:55:25,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 08:55:25,137 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-24 08:55:25,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:25,139 INFO L225 Difference]: With dead ends: 81 [2024-10-24 08:55:25,139 INFO L226 Difference]: Without dead ends: 79 [2024-10-24 08:55:25,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:55:25,140 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 37 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:25,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 291 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-10-24 08:55:25,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-24 08:55:25,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 59. [2024-10-24 08:55:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-24 08:55:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions. [2024-10-24 08:55:25,150 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 136 [2024-10-24 08:55:25,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:25,151 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions. [2024-10-24 08:55:25,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-10-24 08:55:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-24 08:55:25,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:25,153 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:25,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:55:25,154 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:25,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:25,154 INFO L85 PathProgramCache]: Analyzing trace with hash 400189065, now seen corresponding path program 1 times [2024-10-24 08:55:25,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:25,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714992677] [2024-10-24 08:55:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:25,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:25,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714992677] [2024-10-24 08:55:25,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714992677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:25,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:25,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:55:25,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294454083] [2024-10-24 08:55:25,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:25,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:55:25,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:25,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:55:25,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:55:25,325 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:25,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:25,364 INFO L93 Difference]: Finished difference Result 171 states and 260 transitions. [2024-10-24 08:55:25,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:55:25,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-24 08:55:25,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:25,371 INFO L225 Difference]: With dead ends: 171 [2024-10-24 08:55:25,371 INFO L226 Difference]: Without dead ends: 113 [2024-10-24 08:55:25,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:55:25,372 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 39 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:25,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 162 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:55:25,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-24 08:55:25,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-10-24 08:55:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 62 states have internal predecessors, (78), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-24 08:55:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 170 transitions. [2024-10-24 08:55:25,402 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 170 transitions. Word has length 136 [2024-10-24 08:55:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:25,405 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 170 transitions. [2024-10-24 08:55:25,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 170 transitions. [2024-10-24 08:55:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-24 08:55:25,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:25,406 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:25,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:55:25,407 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:25,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:25,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1506736513, now seen corresponding path program 1 times [2024-10-24 08:55:25,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:25,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299584429] [2024-10-24 08:55:25,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:25,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:27,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:27,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299584429] [2024-10-24 08:55:27,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299584429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:27,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:27,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:55:27,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39532813] [2024-10-24 08:55:27,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:27,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:55:27,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:27,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:55:27,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:55:27,980 INFO L87 Difference]: Start difference. First operand 111 states and 170 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:29,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:29,125 INFO L93 Difference]: Finished difference Result 181 states and 259 transitions. [2024-10-24 08:55:29,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:55:29,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 137 [2024-10-24 08:55:29,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:29,132 INFO L225 Difference]: With dead ends: 181 [2024-10-24 08:55:29,132 INFO L226 Difference]: Without dead ends: 179 [2024-10-24 08:55:29,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-10-24 08:55:29,134 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 114 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:29,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 416 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 08:55:29,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-24 08:55:29,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 147. [2024-10-24 08:55:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 94 states have internal predecessors, (118), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:55:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 218 transitions. [2024-10-24 08:55:29,171 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 218 transitions. Word has length 137 [2024-10-24 08:55:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:29,173 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 218 transitions. [2024-10-24 08:55:29,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 218 transitions. [2024-10-24 08:55:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-24 08:55:29,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:29,176 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:29,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 08:55:29,179 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:29,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:29,180 INFO L85 PathProgramCache]: Analyzing trace with hash 697389887, now seen corresponding path program 1 times [2024-10-24 08:55:29,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:29,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964245878] [2024-10-24 08:55:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:29,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:32,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:32,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964245878] [2024-10-24 08:55:32,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964245878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:32,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:32,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:55:32,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162753771] [2024-10-24 08:55:32,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:32,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:55:32,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:32,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:55:32,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:55:32,172 INFO L87 Difference]: Start difference. First operand 147 states and 218 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:32,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:32,835 INFO L93 Difference]: Finished difference Result 181 states and 261 transitions. [2024-10-24 08:55:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:55:32,836 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 137 [2024-10-24 08:55:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:32,838 INFO L225 Difference]: With dead ends: 181 [2024-10-24 08:55:32,839 INFO L226 Difference]: Without dead ends: 179 [2024-10-24 08:55:32,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:55:32,845 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 82 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:32,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 355 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 08:55:32,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-24 08:55:32,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 143. [2024-10-24 08:55:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 88 states have (on average 1.2727272727272727) internal successors, (112), 90 states have internal predecessors, (112), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:55:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 212 transitions. [2024-10-24 08:55:32,865 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 212 transitions. Word has length 137 [2024-10-24 08:55:32,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:32,865 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 212 transitions. [2024-10-24 08:55:32,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 212 transitions. [2024-10-24 08:55:32,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-24 08:55:32,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:32,867 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:32,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 08:55:32,867 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:32,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:32,870 INFO L85 PathProgramCache]: Analyzing trace with hash 2026273454, now seen corresponding path program 1 times [2024-10-24 08:55:32,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:32,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486686336] [2024-10-24 08:55:32,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:32,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:32,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:32,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486686336] [2024-10-24 08:55:32,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486686336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:32,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:32,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:55:32,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362992459] [2024-10-24 08:55:32,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:32,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:55:32,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:32,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:55:32,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:55:32,936 INFO L87 Difference]: Start difference. First operand 143 states and 212 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:32,982 INFO L93 Difference]: Finished difference Result 287 states and 425 transitions. [2024-10-24 08:55:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:55:32,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 137 [2024-10-24 08:55:32,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:32,984 INFO L225 Difference]: With dead ends: 287 [2024-10-24 08:55:32,984 INFO L226 Difference]: Without dead ends: 145 [2024-10-24 08:55:32,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:55:32,989 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 1 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:32,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 143 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:55:32,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-24 08:55:33,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2024-10-24 08:55:33,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 90 states have internal predecessors, (108), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:55:33,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 208 transitions. [2024-10-24 08:55:33,011 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 208 transitions. Word has length 137 [2024-10-24 08:55:33,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:33,011 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 208 transitions. [2024-10-24 08:55:33,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 208 transitions. [2024-10-24 08:55:33,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-24 08:55:33,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:33,014 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:33,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 08:55:33,014 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:33,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:33,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1610676203, now seen corresponding path program 1 times [2024-10-24 08:55:33,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:33,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528635037] [2024-10-24 08:55:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:33,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:36,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:36,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528635037] [2024-10-24 08:55:36,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528635037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:36,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:36,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:55:36,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153816357] [2024-10-24 08:55:36,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:36,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:55:36,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:36,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:55:36,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:55:36,610 INFO L87 Difference]: Start difference. First operand 143 states and 208 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:37,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:37,724 INFO L93 Difference]: Finished difference Result 162 states and 227 transitions. [2024-10-24 08:55:37,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:55:37,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 138 [2024-10-24 08:55:37,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:37,729 INFO L225 Difference]: With dead ends: 162 [2024-10-24 08:55:37,729 INFO L226 Difference]: Without dead ends: 160 [2024-10-24 08:55:37,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:55:37,731 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 61 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:37,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 291 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 08:55:37,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-10-24 08:55:37,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 145. [2024-10-24 08:55:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:55:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 211 transitions. [2024-10-24 08:55:37,755 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 211 transitions. Word has length 138 [2024-10-24 08:55:37,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:37,756 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 211 transitions. [2024-10-24 08:55:37,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 211 transitions. [2024-10-24 08:55:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-24 08:55:37,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:37,757 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:37,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 08:55:37,757 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:37,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:37,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1610616621, now seen corresponding path program 1 times [2024-10-24 08:55:37,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:37,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146977386] [2024-10-24 08:55:37,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:37,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:45,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:45,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146977386] [2024-10-24 08:55:45,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146977386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:45,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:45,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:55:45,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149601209] [2024-10-24 08:55:45,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:45,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:55:45,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:45,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:55:45,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:55:45,098 INFO L87 Difference]: Start difference. First operand 145 states and 211 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:45,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:45,574 INFO L93 Difference]: Finished difference Result 157 states and 222 transitions. [2024-10-24 08:55:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:55:45,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 138 [2024-10-24 08:55:45,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:45,576 INFO L225 Difference]: With dead ends: 157 [2024-10-24 08:55:45,576 INFO L226 Difference]: Without dead ends: 155 [2024-10-24 08:55:45,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:55:45,577 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 29 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:45,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 288 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 08:55:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-24 08:55:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2024-10-24 08:55:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:55:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 211 transitions. [2024-10-24 08:55:45,587 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 211 transitions. Word has length 138 [2024-10-24 08:55:45,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:45,587 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 211 transitions. [2024-10-24 08:55:45,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 211 transitions. [2024-10-24 08:55:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-24 08:55:45,588 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:45,588 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:45,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 08:55:45,588 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:45,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:45,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1874944467, now seen corresponding path program 1 times [2024-10-24 08:55:45,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:45,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601006215] [2024-10-24 08:55:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:45,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:48,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:48,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601006215] [2024-10-24 08:55:48,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601006215] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:48,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:48,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:55:48,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058707589] [2024-10-24 08:55:48,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:48,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:55:48,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:48,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:55:48,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:55:48,685 INFO L87 Difference]: Start difference. First operand 145 states and 211 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:49,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:49,367 INFO L93 Difference]: Finished difference Result 168 states and 234 transitions. [2024-10-24 08:55:49,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:55:49,367 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 138 [2024-10-24 08:55:49,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:49,368 INFO L225 Difference]: With dead ends: 168 [2024-10-24 08:55:49,369 INFO L226 Difference]: Without dead ends: 166 [2024-10-24 08:55:49,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:55:49,369 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 18 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:49,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 324 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 08:55:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-10-24 08:55:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 147. [2024-10-24 08:55:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 94 states have internal predecessors, (113), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:55:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 213 transitions. [2024-10-24 08:55:49,379 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 213 transitions. Word has length 138 [2024-10-24 08:55:49,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:49,380 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 213 transitions. [2024-10-24 08:55:49,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2024-10-24 08:55:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-24 08:55:49,381 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:49,381 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:49,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 08:55:49,381 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:49,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:49,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1875004049, now seen corresponding path program 1 times [2024-10-24 08:55:49,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:49,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793111502] [2024-10-24 08:55:49,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:49,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:56,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:56,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793111502] [2024-10-24 08:55:56,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793111502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:56,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:56,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:55:56,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989557203] [2024-10-24 08:55:56,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:56,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:55:56,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:56,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:55:56,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:55:56,225 INFO L87 Difference]: Start difference. First operand 147 states and 213 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:57,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:57,780 INFO L93 Difference]: Finished difference Result 159 states and 224 transitions. [2024-10-24 08:55:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:55:57,781 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 138 [2024-10-24 08:55:57,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:57,782 INFO L225 Difference]: With dead ends: 159 [2024-10-24 08:55:57,782 INFO L226 Difference]: Without dead ends: 157 [2024-10-24 08:55:57,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:55:57,783 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 16 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:57,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 351 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 08:55:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-10-24 08:55:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 143. [2024-10-24 08:55:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 90 states have internal predecessors, (107), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:55:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 207 transitions. [2024-10-24 08:55:57,807 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 207 transitions. Word has length 138 [2024-10-24 08:55:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:57,808 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 207 transitions. [2024-10-24 08:55:57,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 207 transitions. [2024-10-24 08:55:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 08:55:57,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:57,812 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:57,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 08:55:57,813 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:57,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:57,813 INFO L85 PathProgramCache]: Analyzing trace with hash 115152587, now seen corresponding path program 1 times [2024-10-24 08:55:57,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:57,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135419861] [2024-10-24 08:55:57,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:57,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:55:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:55:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:55:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:55:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:55:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:55:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:55:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:55:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:55:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:55:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:55:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:55:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:55:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:55:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:55:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:55:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:55:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:55:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:55:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:55:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:55:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:55:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:55:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:55:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:55:59,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:55:59,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135419861] [2024-10-24 08:55:59,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135419861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:55:59,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:55:59,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:55:59,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148888351] [2024-10-24 08:55:59,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:55:59,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:55:59,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:55:59,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:55:59,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:55:59,106 INFO L87 Difference]: Start difference. First operand 143 states and 207 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:59,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:55:59,416 INFO L93 Difference]: Finished difference Result 224 states and 300 transitions. [2024-10-24 08:55:59,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:55:59,416 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-10-24 08:55:59,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:55:59,418 INFO L225 Difference]: With dead ends: 224 [2024-10-24 08:55:59,418 INFO L226 Difference]: Without dead ends: 222 [2024-10-24 08:55:59,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:55:59,419 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 93 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:55:59,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 494 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 08:55:59,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-24 08:55:59,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 151. [2024-10-24 08:55:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 96 states have (on average 1.2395833333333333) internal successors, (119), 98 states have internal predecessors, (119), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:55:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2024-10-24 08:55:59,430 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 139 [2024-10-24 08:55:59,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:55:59,431 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2024-10-24 08:55:59,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:55:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2024-10-24 08:55:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 08:55:59,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:55:59,432 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:55:59,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 08:55:59,432 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:55:59,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:55:59,433 INFO L85 PathProgramCache]: Analyzing trace with hash 115212169, now seen corresponding path program 1 times [2024-10-24 08:55:59,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:55:59,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138754082] [2024-10-24 08:55:59,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:55:59,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:55:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:56:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:56:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:56:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:56:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:56:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:56:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:56:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:56:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:56:01,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:01,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138754082] [2024-10-24 08:56:01,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138754082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:01,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:01,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 08:56:01,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053303697] [2024-10-24 08:56:01,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:01,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 08:56:01,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:01,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 08:56:01,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:56:01,066 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:01,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:01,654 INFO L93 Difference]: Finished difference Result 213 states and 288 transitions. [2024-10-24 08:56:01,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 08:56:01,655 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-10-24 08:56:01,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:01,656 INFO L225 Difference]: With dead ends: 213 [2024-10-24 08:56:01,656 INFO L226 Difference]: Without dead ends: 211 [2024-10-24 08:56:01,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-10-24 08:56:01,657 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 99 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:01,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 400 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:56:01,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-10-24 08:56:01,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 151. [2024-10-24 08:56:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 96 states have (on average 1.2395833333333333) internal successors, (119), 98 states have internal predecessors, (119), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:56:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2024-10-24 08:56:01,672 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 139 [2024-10-24 08:56:01,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:01,673 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2024-10-24 08:56:01,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2024-10-24 08:56:01,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 08:56:01,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:01,674 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:56:01,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 08:56:01,675 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:01,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:01,675 INFO L85 PathProgramCache]: Analyzing trace with hash -694194039, now seen corresponding path program 1 times [2024-10-24 08:56:01,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:01,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960830432] [2024-10-24 08:56:01,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:01,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:56:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:56:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:56:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:56:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:56:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:56:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:56:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:56:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:04,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:56:04,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:04,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960830432] [2024-10-24 08:56:04,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960830432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:04,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:04,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:56:04,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992142785] [2024-10-24 08:56:04,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:04,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:56:04,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:04,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:56:04,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:56:04,587 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:05,630 INFO L93 Difference]: Finished difference Result 195 states and 267 transitions. [2024-10-24 08:56:05,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:56:05,631 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-10-24 08:56:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:05,632 INFO L225 Difference]: With dead ends: 195 [2024-10-24 08:56:05,635 INFO L226 Difference]: Without dead ends: 193 [2024-10-24 08:56:05,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2024-10-24 08:56:05,636 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 60 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:05,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 411 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 08:56:05,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-10-24 08:56:05,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 161. [2024-10-24 08:56:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 106 states have (on average 1.2452830188679245) internal successors, (132), 108 states have internal predecessors, (132), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:56:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 232 transitions. [2024-10-24 08:56:05,658 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 232 transitions. Word has length 139 [2024-10-24 08:56:05,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:05,659 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 232 transitions. [2024-10-24 08:56:05,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 232 transitions. [2024-10-24 08:56:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 08:56:05,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:05,663 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:56:05,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 08:56:05,663 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:05,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:05,664 INFO L85 PathProgramCache]: Analyzing trace with hash -694134457, now seen corresponding path program 1 times [2024-10-24 08:56:05,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:05,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706142660] [2024-10-24 08:56:05,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:05,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:56:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:56:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:56:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:56:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:56:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:56:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:56:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:56:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:56:07,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:07,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706142660] [2024-10-24 08:56:07,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706142660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:07,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:07,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 08:56:07,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620157972] [2024-10-24 08:56:07,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:07,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 08:56:07,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:07,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 08:56:07,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:56:07,646 INFO L87 Difference]: Start difference. First operand 161 states and 232 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:08,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:08,364 INFO L93 Difference]: Finished difference Result 222 states and 298 transitions. [2024-10-24 08:56:08,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 08:56:08,365 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-10-24 08:56:08,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:08,366 INFO L225 Difference]: With dead ends: 222 [2024-10-24 08:56:08,366 INFO L226 Difference]: Without dead ends: 220 [2024-10-24 08:56:08,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-10-24 08:56:08,367 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 77 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:08,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 462 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:56:08,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-24 08:56:08,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 159. [2024-10-24 08:56:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 104 states have (on average 1.2403846153846154) internal successors, (129), 106 states have internal predecessors, (129), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:56:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 229 transitions. [2024-10-24 08:56:08,379 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 229 transitions. Word has length 139 [2024-10-24 08:56:08,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:08,380 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 229 transitions. [2024-10-24 08:56:08,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 229 transitions. [2024-10-24 08:56:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 08:56:08,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:08,381 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:56:08,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 08:56:08,381 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:08,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash -277874423, now seen corresponding path program 1 times [2024-10-24 08:56:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:08,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975295730] [2024-10-24 08:56:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:08,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:56:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:56:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:56:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:56:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:56:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:56:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:56:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:56:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:56:12,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:12,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975295730] [2024-10-24 08:56:12,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975295730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:12,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:12,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:56:12,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707057937] [2024-10-24 08:56:12,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:12,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:56:12,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:12,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:56:12,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:56:12,255 INFO L87 Difference]: Start difference. First operand 159 states and 229 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:13,057 INFO L93 Difference]: Finished difference Result 185 states and 256 transitions. [2024-10-24 08:56:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:56:13,058 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-10-24 08:56:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:13,065 INFO L225 Difference]: With dead ends: 185 [2024-10-24 08:56:13,065 INFO L226 Difference]: Without dead ends: 183 [2024-10-24 08:56:13,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:56:13,067 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 67 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:13,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 356 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:56:13,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-24 08:56:13,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 161. [2024-10-24 08:56:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 106 states have (on average 1.2452830188679245) internal successors, (132), 108 states have internal predecessors, (132), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:56:13,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 232 transitions. [2024-10-24 08:56:13,108 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 232 transitions. Word has length 139 [2024-10-24 08:56:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:13,108 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 232 transitions. [2024-10-24 08:56:13,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 232 transitions. [2024-10-24 08:56:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 08:56:13,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:13,109 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:56:13,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 08:56:13,109 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:13,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:13,109 INFO L85 PathProgramCache]: Analyzing trace with hash -277814841, now seen corresponding path program 1 times [2024-10-24 08:56:13,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:13,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114440794] [2024-10-24 08:56:13,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:13,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:56:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:56:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:56:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:56:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:56:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:56:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:56:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:56:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:56:20,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:20,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114440794] [2024-10-24 08:56:20,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114440794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:20,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:20,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 08:56:20,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86504429] [2024-10-24 08:56:20,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:20,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 08:56:20,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:20,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 08:56:20,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:56:20,431 INFO L87 Difference]: Start difference. First operand 161 states and 232 transitions. Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-24 08:56:24,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:24,476 INFO L93 Difference]: Finished difference Result 290 states and 417 transitions. [2024-10-24 08:56:24,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 08:56:24,476 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2024-10-24 08:56:24,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:24,478 INFO L225 Difference]: With dead ends: 290 [2024-10-24 08:56:24,478 INFO L226 Difference]: Without dead ends: 288 [2024-10-24 08:56:24,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2024-10-24 08:56:24,479 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 84 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:24,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 361 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 08:56:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-10-24 08:56:24,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 278. [2024-10-24 08:56:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 171 states have (on average 1.2280701754385965) internal successors, (210), 174 states have internal predecessors, (210), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-24 08:56:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2024-10-24 08:56:24,504 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 139 [2024-10-24 08:56:24,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:24,504 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2024-10-24 08:56:24,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-24 08:56:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2024-10-24 08:56:24,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 08:56:24,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:24,505 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:56:24,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 08:56:24,505 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:24,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:24,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1087221049, now seen corresponding path program 1 times [2024-10-24 08:56:24,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:24,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857442376] [2024-10-24 08:56:24,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:24,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:56:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:56:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:56:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:56:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:56:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:56:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:56:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:56:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:56:27,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:27,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857442376] [2024-10-24 08:56:27,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857442376] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:27,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:27,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:56:27,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898417891] [2024-10-24 08:56:27,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:27,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:56:27,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:27,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:56:27,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:56:27,829 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:30,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:30,559 INFO L93 Difference]: Finished difference Result 320 states and 453 transitions. [2024-10-24 08:56:30,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 08:56:30,560 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-10-24 08:56:30,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:30,562 INFO L225 Difference]: With dead ends: 320 [2024-10-24 08:56:30,562 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 08:56:30,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:56:30,563 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 24 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:30,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 373 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 08:56:30,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 08:56:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 276. [2024-10-24 08:56:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 169 states have (on average 1.2189349112426036) internal successors, (206), 172 states have internal predecessors, (206), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-24 08:56:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 402 transitions. [2024-10-24 08:56:30,599 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 402 transitions. Word has length 139 [2024-10-24 08:56:30,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:30,600 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 402 transitions. [2024-10-24 08:56:30,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 402 transitions. [2024-10-24 08:56:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-24 08:56:30,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:30,601 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:56:30,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 08:56:30,602 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:30,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1087161467, now seen corresponding path program 1 times [2024-10-24 08:56:30,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:30,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045328997] [2024-10-24 08:56:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:56:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:56:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:56:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:56:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:56:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:56:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:56:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:56:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 08:56:34,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:34,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045328997] [2024-10-24 08:56:34,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045328997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:56:34,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:56:34,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 08:56:34,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463089048] [2024-10-24 08:56:34,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:56:34,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 08:56:34,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:56:34,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 08:56:34,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:56:34,855 INFO L87 Difference]: Start difference. First operand 276 states and 402 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:36,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:56:36,323 INFO L93 Difference]: Finished difference Result 278 states and 403 transitions. [2024-10-24 08:56:36,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 08:56:36,323 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-10-24 08:56:36,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:56:36,325 INFO L225 Difference]: With dead ends: 278 [2024-10-24 08:56:36,325 INFO L226 Difference]: Without dead ends: 276 [2024-10-24 08:56:36,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:56:36,326 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 47 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:56:36,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 278 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 08:56:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-24 08:56:36,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 268. [2024-10-24 08:56:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 161 states have (on average 1.204968944099379) internal successors, (194), 164 states have internal predecessors, (194), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-24 08:56:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 390 transitions. [2024-10-24 08:56:36,350 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 390 transitions. Word has length 139 [2024-10-24 08:56:36,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:56:36,350 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 390 transitions. [2024-10-24 08:56:36,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-24 08:56:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 390 transitions. [2024-10-24 08:56:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-10-24 08:56:36,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:56:36,353 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 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] [2024-10-24 08:56:36,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 08:56:36,353 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:56:36,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:56:36,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1171695742, now seen corresponding path program 1 times [2024-10-24 08:56:36,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:56:36,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102843656] [2024-10-24 08:56:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:36,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:56:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:56:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:56:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:56:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:56:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:56:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:56:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:56:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:56:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:56:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:56:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 08:56:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:56:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 08:56:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:56:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 08:56:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:56:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 08:56:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:56:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 08:56:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:56:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 08:56:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:41,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:56:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 08:56:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 08:56:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 08:56:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 08:56:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 08:56:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 08:56:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 08:56:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 08:56:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 08:56:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 08:56:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 08:56:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 08:56:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 08:56:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 08:56:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 08:56:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 08:56:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 08:56:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 08:56:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-24 08:56:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 08:56:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 08:56:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-24 08:56:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-24 08:56:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-24 08:56:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 08:56:42,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:56:42,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102843656] [2024-10-24 08:56:42,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102843656] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 08:56:42,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520254521] [2024-10-24 08:56:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:56:42,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:56:42,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:56:42,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 08:56:42,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:56:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:56:42,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 08:56:42,139 INFO L278 TraceCheckSpWp]: Computing forward predicates...