./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:14:48,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:14:48,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:14:48,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:14:48,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:14:48,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:14:48,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:14:48,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:14:48,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:14:48,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:14:48,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:14:48,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:14:48,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:14:48,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:14:48,354 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:14:48,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:14:48,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:14:48,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:14:48,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:14:48,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:14:48,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:14:48,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:14:48,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:14:48,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:14:48,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:14:48,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:14:48,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:14:48,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:14:48,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:14:48,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:14:48,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:14:48,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:14:48,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:14:48,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:14:48,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:14:48,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:14:48,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:14:48,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:14:48,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:14:48,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:14:48,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:14:48,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:14:48,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 [2024-11-12 04:14:48,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:14:48,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:14:48,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:14:48,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:14:48,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:14:48,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-11-12 04:14:50,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:14:50,423 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:14:50,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-11-12 04:14:50,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/696ec7f5a/1ec5c927d4d54ceb8f45f7d0756357ea/FLAGdc6758c9f [2024-11-12 04:14:50,778 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/696ec7f5a/1ec5c927d4d54ceb8f45f7d0756357ea [2024-11-12 04:14:50,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:14:50,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:14:50,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:14:50,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:14:50,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:14:50,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:14:50" (1/1) ... [2024-11-12 04:14:50,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b221df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:50, skipping insertion in model container [2024-11-12 04:14:50,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:14:50" (1/1) ... [2024-11-12 04:14:50,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:14:50,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2024-11-12 04:14:51,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:14:51,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:14:51,097 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2024-11-12 04:14:51,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:14:51,143 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:14:51,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51 WrapperNode [2024-11-12 04:14:51,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:14:51,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:14:51,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:14:51,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:14:51,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,232 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-11-12 04:14:51,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:14:51,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:14:51,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:14:51,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:14:51,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,319 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]. [2024-11-12 04:14:51,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:14:51,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:14:51,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:14:51,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:14:51,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (1/1) ... [2024-11-12 04:14:51,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:14:51,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:14:51,425 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) [2024-11-12 04:14:51,427 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 [2024-11-12 04:14:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:14:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:14:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:14:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:14:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:14:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:14:51,572 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:14:51,574 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:14:52,048 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-12 04:14:52,049 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:14:52,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:14:52,062 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:14:52,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:14:52 BoogieIcfgContainer [2024-11-12 04:14:52,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:14:52,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:14:52,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:14:52,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:14:52,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:14:50" (1/3) ... [2024-11-12 04:14:52,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eaf0dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:14:52, skipping insertion in model container [2024-11-12 04:14:52,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:51" (2/3) ... [2024-11-12 04:14:52,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eaf0dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:14:52, skipping insertion in model container [2024-11-12 04:14:52,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:14:52" (3/3) ... [2024-11-12 04:14:52,070 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-11-12 04:14:52,086 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:14:52,087 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:14:52,165 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:14:52,171 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;@1cb2f9c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:14:52,171 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:14:52,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 86 states have (on average 1.5116279069767442) internal successors, (130), 87 states have internal predecessors, (130), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 04:14:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-12 04:14:52,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:52,195 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:52,196 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:52,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:52,203 INFO L85 PathProgramCache]: Analyzing trace with hash 866760761, now seen corresponding path program 1 times [2024-11-12 04:14:52,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:52,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111287795] [2024-11-12 04:14:52,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:52,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:52,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:52,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111287795] [2024-11-12 04:14:52,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111287795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:52,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:52,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:14:52,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103336417] [2024-11-12 04:14:52,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:52,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:14:52,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:52,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:14:52,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:14:52,939 INFO L87 Difference]: Start difference. First operand has 123 states, 86 states have (on average 1.5116279069767442) internal successors, (130), 87 states have internal predecessors, (130), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 04:14:52,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:52,981 INFO L93 Difference]: Finished difference Result 239 states and 424 transitions. [2024-11-12 04:14:52,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:14:52,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-12 04:14:52,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:52,993 INFO L225 Difference]: With dead ends: 239 [2024-11-12 04:14:52,993 INFO L226 Difference]: Without dead ends: 119 [2024-11-12 04:14:52,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:14:53,000 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:53,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:14:53,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-12 04:14:53,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-12 04:14:53,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 83 states have internal predecessors, (122), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 04:14:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 190 transitions. [2024-11-12 04:14:53,068 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 190 transitions. Word has length 221 [2024-11-12 04:14:53,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:53,070 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 190 transitions. [2024-11-12 04:14:53,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 04:14:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 190 transitions. [2024-11-12 04:14:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-12 04:14:53,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:53,078 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:53,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:14:53,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:53,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1738209153, now seen corresponding path program 1 times [2024-11-12 04:14:53,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:53,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462363982] [2024-11-12 04:14:53,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:53,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:53,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:53,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462363982] [2024-11-12 04:14:53,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462363982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:53,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:53,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:14:53,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127459206] [2024-11-12 04:14:53,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:53,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:14:53,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:53,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:14:53,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:53,817 INFO L87 Difference]: Start difference. First operand 119 states and 190 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:54,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:54,063 INFO L93 Difference]: Finished difference Result 352 states and 566 transitions. [2024-11-12 04:14:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:14:54,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-12 04:14:54,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:54,073 INFO L225 Difference]: With dead ends: 352 [2024-11-12 04:14:54,073 INFO L226 Difference]: Without dead ends: 236 [2024-11-12 04:14:54,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:54,080 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 127 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:54,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 475 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:14:54,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-12 04:14:54,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2024-11-12 04:14:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 162 states have (on average 1.4753086419753085) internal successors, (239), 162 states have internal predecessors, (239), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-12 04:14:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 375 transitions. [2024-11-12 04:14:54,133 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 375 transitions. Word has length 221 [2024-11-12 04:14:54,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:54,134 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 375 transitions. [2024-11-12 04:14:54,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 375 transitions. [2024-11-12 04:14:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-12 04:14:54,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:54,139 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:54,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:14:54,139 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:54,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:54,140 INFO L85 PathProgramCache]: Analyzing trace with hash -462074571, now seen corresponding path program 1 times [2024-11-12 04:14:54,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:54,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581609799] [2024-11-12 04:14:54,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:54,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:54,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:54,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581609799] [2024-11-12 04:14:54,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581609799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:54,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:54,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:54,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086058873] [2024-11-12 04:14:54,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:54,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:54,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:54,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:54,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:54,556 INFO L87 Difference]: Start difference. First operand 233 states and 375 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:54,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:54,629 INFO L93 Difference]: Finished difference Result 693 states and 1119 transitions. [2024-11-12 04:14:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:14:54,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-12 04:14:54,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:54,634 INFO L225 Difference]: With dead ends: 693 [2024-11-12 04:14:54,634 INFO L226 Difference]: Without dead ends: 463 [2024-11-12 04:14:54,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:54,636 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 108 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:54,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 345 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:14:54,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-12 04:14:54,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 461. [2024-11-12 04:14:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 320 states have (on average 1.45625) internal successors, (466), 320 states have internal predecessors, (466), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-12 04:14:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 738 transitions. [2024-11-12 04:14:54,691 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 738 transitions. Word has length 222 [2024-11-12 04:14:54,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:54,692 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 738 transitions. [2024-11-12 04:14:54,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 738 transitions. [2024-11-12 04:14:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-12 04:14:54,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:54,695 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:54,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:14:54,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:54,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:54,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1069225673, now seen corresponding path program 1 times [2024-11-12 04:14:54,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:54,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457555559] [2024-11-12 04:14:54,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:54,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:54,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:54,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457555559] [2024-11-12 04:14:54,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457555559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:54,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:54,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:54,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676876314] [2024-11-12 04:14:54,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:54,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:54,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:54,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:54,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:54,925 INFO L87 Difference]: Start difference. First operand 461 states and 738 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:55,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:55,148 INFO L93 Difference]: Finished difference Result 1349 states and 2170 transitions. [2024-11-12 04:14:55,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:14:55,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-11-12 04:14:55,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:55,158 INFO L225 Difference]: With dead ends: 1349 [2024-11-12 04:14:55,158 INFO L226 Difference]: Without dead ends: 891 [2024-11-12 04:14:55,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:55,165 INFO L435 NwaCegarLoop]: 312 mSDtfsCounter, 169 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:55,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 468 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:14:55,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-11-12 04:14:55,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 889. [2024-11-12 04:14:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 608 states have (on average 1.4375) internal successors, (874), 608 states have internal predecessors, (874), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-12 04:14:55,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1418 transitions. [2024-11-12 04:14:55,275 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1418 transitions. Word has length 223 [2024-11-12 04:14:55,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:55,275 INFO L471 AbstractCegarLoop]: Abstraction has 889 states and 1418 transitions. [2024-11-12 04:14:55,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:55,276 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1418 transitions. [2024-11-12 04:14:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-12 04:14:55,278 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:55,279 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:55,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:14:55,279 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:55,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:55,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2104504687, now seen corresponding path program 1 times [2024-11-12 04:14:55,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:55,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296815724] [2024-11-12 04:14:55,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:55,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:55,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:55,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296815724] [2024-11-12 04:14:55,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296815724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:55,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:55,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:55,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610845057] [2024-11-12 04:14:55,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:55,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:55,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:55,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:55,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:55,442 INFO L87 Difference]: Start difference. First operand 889 states and 1418 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:55,509 INFO L93 Difference]: Finished difference Result 2009 states and 3178 transitions. [2024-11-12 04:14:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:14:55,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-11-12 04:14:55,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:55,516 INFO L225 Difference]: With dead ends: 2009 [2024-11-12 04:14:55,517 INFO L226 Difference]: Without dead ends: 1123 [2024-11-12 04:14:55,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:55,522 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 43 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:55,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 392 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:14:55,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-11-12 04:14:55,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 961. [2024-11-12 04:14:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 680 states have (on average 1.438235294117647) internal successors, (978), 680 states have internal predecessors, (978), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-12 04:14:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1522 transitions. [2024-11-12 04:14:55,581 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1522 transitions. Word has length 223 [2024-11-12 04:14:55,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:55,582 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 1522 transitions. [2024-11-12 04:14:55,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1522 transitions. [2024-11-12 04:14:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-12 04:14:55,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:55,584 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:55,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:14:55,584 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:55,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:55,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1873190809, now seen corresponding path program 1 times [2024-11-12 04:14:55,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:55,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039036007] [2024-11-12 04:14:55,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:55,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:55,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:55,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039036007] [2024-11-12 04:14:55,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039036007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:55,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:55,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:14:55,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297553441] [2024-11-12 04:14:55,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:55,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:14:55,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:55,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:14:55,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:55,825 INFO L87 Difference]: Start difference. First operand 961 states and 1522 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:56,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:56,148 INFO L93 Difference]: Finished difference Result 3503 states and 5573 transitions. [2024-11-12 04:14:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:14:56,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-12 04:14:56,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:56,163 INFO L225 Difference]: With dead ends: 3503 [2024-11-12 04:14:56,163 INFO L226 Difference]: Without dead ends: 2455 [2024-11-12 04:14:56,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:56,169 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 335 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:56,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 533 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:14:56,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2024-11-12 04:14:56,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2451. [2024-11-12 04:14:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 1750 states have (on average 1.44) internal successors, (2520), 1750 states have internal predecessors, (2520), 680 states have call successors, (680), 20 states have call predecessors, (680), 20 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-11-12 04:14:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3880 transitions. [2024-11-12 04:14:56,441 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3880 transitions. Word has length 224 [2024-11-12 04:14:56,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:56,442 INFO L471 AbstractCegarLoop]: Abstraction has 2451 states and 3880 transitions. [2024-11-12 04:14:56,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:56,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3880 transitions. [2024-11-12 04:14:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-12 04:14:56,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:56,444 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:56,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 04:14:56,444 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:56,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash -126127931, now seen corresponding path program 1 times [2024-11-12 04:14:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:56,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679553] [2024-11-12 04:14:56,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:56,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:56,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679553] [2024-11-12 04:14:56,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:56,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:56,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:56,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147389051] [2024-11-12 04:14:56,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:56,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:56,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:56,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:56,731 INFO L87 Difference]: Start difference. First operand 2451 states and 3880 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:56,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:56,989 INFO L93 Difference]: Finished difference Result 5841 states and 9260 transitions. [2024-11-12 04:14:56,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:14:56,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-12 04:14:56,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:57,015 INFO L225 Difference]: With dead ends: 5841 [2024-11-12 04:14:57,016 INFO L226 Difference]: Without dead ends: 4349 [2024-11-12 04:14:57,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:57,024 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 129 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:57,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 365 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:14:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2024-11-12 04:14:57,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4347. [2024-11-12 04:14:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 3086 states have (on average 1.4322747893713546) internal successors, (4420), 3086 states have internal predecessors, (4420), 1224 states have call successors, (1224), 36 states have call predecessors, (1224), 36 states have return successors, (1224), 1224 states have call predecessors, (1224), 1224 states have call successors, (1224) [2024-11-12 04:14:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 6868 transitions. [2024-11-12 04:14:57,355 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 6868 transitions. Word has length 224 [2024-11-12 04:14:57,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:57,356 INFO L471 AbstractCegarLoop]: Abstraction has 4347 states and 6868 transitions. [2024-11-12 04:14:57,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 6868 transitions. [2024-11-12 04:14:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-12 04:14:57,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:57,357 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:57,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 04:14:57,358 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:57,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:57,358 INFO L85 PathProgramCache]: Analyzing trace with hash -2088030736, now seen corresponding path program 1 times [2024-11-12 04:14:57,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:57,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733119033] [2024-11-12 04:14:57,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:57,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:57,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:57,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733119033] [2024-11-12 04:14:57,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733119033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:57,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:57,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:57,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97487721] [2024-11-12 04:14:57,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:57,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:57,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:57,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:57,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:57,772 INFO L87 Difference]: Start difference. First operand 4347 states and 6868 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:58,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:58,372 INFO L93 Difference]: Finished difference Result 13035 states and 20598 transitions. [2024-11-12 04:14:58,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:14:58,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 225 [2024-11-12 04:14:58,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:58,441 INFO L225 Difference]: With dead ends: 13035 [2024-11-12 04:14:58,441 INFO L226 Difference]: Without dead ends: 8691 [2024-11-12 04:14:58,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:58,466 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 128 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:58,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 349 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:14:58,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8691 states. [2024-11-12 04:14:59,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8691 to 8653. [2024-11-12 04:14:59,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8653 states, 6132 states have (on average 1.4292237442922375) internal successors, (8764), 6132 states have internal predecessors, (8764), 2448 states have call successors, (2448), 72 states have call predecessors, (2448), 72 states have return successors, (2448), 2448 states have call predecessors, (2448), 2448 states have call successors, (2448) [2024-11-12 04:14:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8653 states to 8653 states and 13660 transitions. [2024-11-12 04:14:59,246 INFO L78 Accepts]: Start accepts. Automaton has 8653 states and 13660 transitions. Word has length 225 [2024-11-12 04:14:59,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:59,247 INFO L471 AbstractCegarLoop]: Abstraction has 8653 states and 13660 transitions. [2024-11-12 04:14:59,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:14:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 8653 states and 13660 transitions. [2024-11-12 04:14:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-12 04:14:59,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:59,249 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:14:59,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 04:14:59,249 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:59,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:59,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1161305858, now seen corresponding path program 1 times [2024-11-12 04:14:59,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:59,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014841837] [2024-11-12 04:14:59,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:14:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:14:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:14:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:14:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:14:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:14:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:14:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:14:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:14:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:14:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:14:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:14:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:14:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:14:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:14:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:14:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:14:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:59,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:14:59,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:59,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014841837] [2024-11-12 04:14:59,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014841837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:59,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:59,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:59,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395405150] [2024-11-12 04:14:59,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:59,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:59,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:59,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:59,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:59,518 INFO L87 Difference]: Start difference. First operand 8653 states and 13660 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:00,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:00,592 INFO L93 Difference]: Finished difference Result 21725 states and 34354 transitions. [2024-11-12 04:15:00,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:15:00,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-12 04:15:00,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:00,714 INFO L225 Difference]: With dead ends: 21725 [2024-11-12 04:15:00,715 INFO L226 Difference]: Without dead ends: 13075 [2024-11-12 04:15:00,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:15:00,742 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 122 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:00,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 366 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:15:00,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13075 states. [2024-11-12 04:15:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13075 to 13073. [2024-11-12 04:15:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13073 states, 9292 states have (on average 1.4222987516142918) internal successors, (13216), 9292 states have internal predecessors, (13216), 3672 states have call successors, (3672), 108 states have call predecessors, (3672), 108 states have return successors, (3672), 3672 states have call predecessors, (3672), 3672 states have call successors, (3672) [2024-11-12 04:15:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13073 states to 13073 states and 20560 transitions. [2024-11-12 04:15:02,055 INFO L78 Accepts]: Start accepts. Automaton has 13073 states and 20560 transitions. Word has length 226 [2024-11-12 04:15:02,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:02,056 INFO L471 AbstractCegarLoop]: Abstraction has 13073 states and 20560 transitions. [2024-11-12 04:15:02,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 13073 states and 20560 transitions. [2024-11-12 04:15:02,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-12 04:15:02,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:02,061 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:02,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 04:15:02,061 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:02,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:02,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1940614845, now seen corresponding path program 1 times [2024-11-12 04:15:02,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:02,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329597443] [2024-11-12 04:15:02,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:02,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:02,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:02,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329597443] [2024-11-12 04:15:02,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329597443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:02,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:02,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:15:02,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276906876] [2024-11-12 04:15:02,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:02,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:15:02,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:02,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:15:02,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:15:02,278 INFO L87 Difference]: Start difference. First operand 13073 states and 20560 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:03,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:03,128 INFO L93 Difference]: Finished difference Result 26199 states and 41226 transitions. [2024-11-12 04:15:03,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:15:03,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-11-12 04:15:03,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:03,201 INFO L225 Difference]: With dead ends: 26199 [2024-11-12 04:15:03,201 INFO L226 Difference]: Without dead ends: 13129 [2024-11-12 04:15:03,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:15:03,245 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 122 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:03,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 476 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:15:03,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13129 states. [2024-11-12 04:15:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13129 to 13073. [2024-11-12 04:15:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13073 states, 9292 states have (on average 1.4179939733103746) internal successors, (13176), 9292 states have internal predecessors, (13176), 3672 states have call successors, (3672), 108 states have call predecessors, (3672), 108 states have return successors, (3672), 3672 states have call predecessors, (3672), 3672 states have call successors, (3672) [2024-11-12 04:15:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13073 states to 13073 states and 20520 transitions. [2024-11-12 04:15:04,520 INFO L78 Accepts]: Start accepts. Automaton has 13073 states and 20520 transitions. Word has length 227 [2024-11-12 04:15:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:04,521 INFO L471 AbstractCegarLoop]: Abstraction has 13073 states and 20520 transitions. [2024-11-12 04:15:04,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 13073 states and 20520 transitions. [2024-11-12 04:15:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-12 04:15:04,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:04,524 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:04,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 04:15:04,524 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:04,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:04,525 INFO L85 PathProgramCache]: Analyzing trace with hash 806818497, now seen corresponding path program 1 times [2024-11-12 04:15:04,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:04,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371709861] [2024-11-12 04:15:04,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:04,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:04,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:04,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371709861] [2024-11-12 04:15:04,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371709861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:04,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:04,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:15:04,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235632479] [2024-11-12 04:15:04,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:04,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:15:04,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:04,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:15:04,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:15:04,790 INFO L87 Difference]: Start difference. First operand 13073 states and 20520 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:07,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:07,369 INFO L93 Difference]: Finished difference Result 42409 states and 66671 transitions. [2024-11-12 04:15:07,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 04:15:07,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-12 04:15:07,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:07,610 INFO L225 Difference]: With dead ends: 42409 [2024-11-12 04:15:07,611 INFO L226 Difference]: Without dead ends: 29339 [2024-11-12 04:15:07,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-12 04:15:07,657 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 533 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:07,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 704 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 04:15:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29339 states. [2024-11-12 04:15:09,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29339 to 16889. [2024-11-12 04:15:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16889 states, 12322 states have (on average 1.4340204512254504) internal successors, (17670), 12380 states have internal predecessors, (17670), 4414 states have call successors, (4414), 152 states have call predecessors, (4414), 152 states have return successors, (4414), 4356 states have call predecessors, (4414), 4414 states have call successors, (4414) [2024-11-12 04:15:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16889 states to 16889 states and 26498 transitions. [2024-11-12 04:15:09,673 INFO L78 Accepts]: Start accepts. Automaton has 16889 states and 26498 transitions. Word has length 228 [2024-11-12 04:15:09,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:09,673 INFO L471 AbstractCegarLoop]: Abstraction has 16889 states and 26498 transitions. [2024-11-12 04:15:09,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 16889 states and 26498 transitions. [2024-11-12 04:15:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-12 04:15:09,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:09,676 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:09,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 04:15:09,677 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:09,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:09,677 INFO L85 PathProgramCache]: Analyzing trace with hash 947367107, now seen corresponding path program 1 times [2024-11-12 04:15:09,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:09,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223736181] [2024-11-12 04:15:09,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:09,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:09,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:09,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223736181] [2024-11-12 04:15:09,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223736181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:09,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:09,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:15:09,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068300876] [2024-11-12 04:15:09,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:09,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:15:09,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:09,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:15:09,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:15:09,911 INFO L87 Difference]: Start difference. First operand 16889 states and 26498 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:10,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:10,998 INFO L93 Difference]: Finished difference Result 33675 states and 52893 transitions. [2024-11-12 04:15:10,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:15:10,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-12 04:15:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:11,095 INFO L225 Difference]: With dead ends: 33675 [2024-11-12 04:15:11,095 INFO L226 Difference]: Without dead ends: 16789 [2024-11-12 04:15:11,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:15:11,144 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:11,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 553 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:15:11,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16789 states. [2024-11-12 04:15:12,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16789 to 16789. [2024-11-12 04:15:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16789 states, 12222 states have (on average 1.4212076583210604) internal successors, (17370), 12280 states have internal predecessors, (17370), 4414 states have call successors, (4414), 152 states have call predecessors, (4414), 152 states have return successors, (4414), 4356 states have call predecessors, (4414), 4414 states have call successors, (4414) [2024-11-12 04:15:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16789 states to 16789 states and 26198 transitions. [2024-11-12 04:15:12,647 INFO L78 Accepts]: Start accepts. Automaton has 16789 states and 26198 transitions. Word has length 228 [2024-11-12 04:15:12,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:12,648 INFO L471 AbstractCegarLoop]: Abstraction has 16789 states and 26198 transitions. [2024-11-12 04:15:12,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 16789 states and 26198 transitions. [2024-11-12 04:15:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-12 04:15:12,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:12,651 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:12,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 04:15:12,651 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:12,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:12,652 INFO L85 PathProgramCache]: Analyzing trace with hash 728512389, now seen corresponding path program 1 times [2024-11-12 04:15:12,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017431586] [2024-11-12 04:15:12,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:13,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:13,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017431586] [2024-11-12 04:15:13,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017431586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:13,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:13,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:15:13,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923276177] [2024-11-12 04:15:13,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:13,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:15:13,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:13,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:15:13,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:15:13,301 INFO L87 Difference]: Start difference. First operand 16789 states and 26198 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:14,897 INFO L93 Difference]: Finished difference Result 38991 states and 60798 transitions. [2024-11-12 04:15:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:15:14,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-12 04:15:14,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:14,995 INFO L225 Difference]: With dead ends: 38991 [2024-11-12 04:15:14,995 INFO L226 Difference]: Without dead ends: 22205 [2024-11-12 04:15:15,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:15:15,031 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 124 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:15,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 352 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:15:15,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22205 states. [2024-11-12 04:15:16,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22205 to 22155. [2024-11-12 04:15:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22155 states, 16106 states have (on average 1.4181050540171365) internal successors, (22840), 16190 states have internal predecessors, (22840), 5844 states have call successors, (5844), 204 states have call predecessors, (5844), 204 states have return successors, (5844), 5760 states have call predecessors, (5844), 5844 states have call successors, (5844) [2024-11-12 04:15:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22155 states to 22155 states and 34528 transitions. [2024-11-12 04:15:16,930 INFO L78 Accepts]: Start accepts. Automaton has 22155 states and 34528 transitions. Word has length 228 [2024-11-12 04:15:16,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:16,931 INFO L471 AbstractCegarLoop]: Abstraction has 22155 states and 34528 transitions. [2024-11-12 04:15:16,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22155 states and 34528 transitions. [2024-11-12 04:15:16,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-12 04:15:16,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:16,934 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:16,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 04:15:16,934 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:16,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:16,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1791974010, now seen corresponding path program 1 times [2024-11-12 04:15:16,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:16,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940052082] [2024-11-12 04:15:16,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-11-12 04:15:17,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:17,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940052082] [2024-11-12 04:15:17,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940052082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 04:15:17,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138810328] [2024-11-12 04:15:17,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:17,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 04:15:17,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:15:17,217 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) [2024-11-12 04:15:17,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 04:15:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:17,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 04:15:17,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 04:15:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-11-12 04:15:17,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 04:15:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-11-12 04:15:17,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138810328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 04:15:17,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 04:15:17,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-12 04:15:17,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365813662] [2024-11-12 04:15:17,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 04:15:17,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 04:15:17,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:17,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 04:15:17,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-12 04:15:17,884 INFO L87 Difference]: Start difference. First operand 22155 states and 34528 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-11-12 04:15:20,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:20,161 INFO L93 Difference]: Finished difference Result 42151 states and 64671 transitions. [2024-11-12 04:15:20,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 04:15:20,162 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 229 [2024-11-12 04:15:20,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:20,248 INFO L225 Difference]: With dead ends: 42151 [2024-11-12 04:15:20,249 INFO L226 Difference]: Without dead ends: 19999 [2024-11-12 04:15:20,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:15:20,513 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 329 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:20,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 556 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 04:15:20,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19999 states. [2024-11-12 04:15:22,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19999 to 17441. [2024-11-12 04:15:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 12616 states have (on average 1.3937064045656309) internal successors, (17583), 12636 states have internal predecessors, (17583), 4500 states have call successors, (4500), 324 states have call predecessors, (4500), 324 states have return successors, (4500), 4480 states have call predecessors, (4500), 4500 states have call successors, (4500) [2024-11-12 04:15:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 26583 transitions. [2024-11-12 04:15:22,388 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 26583 transitions. Word has length 229 [2024-11-12 04:15:22,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:22,389 INFO L471 AbstractCegarLoop]: Abstraction has 17441 states and 26583 transitions. [2024-11-12 04:15:22,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-11-12 04:15:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 26583 transitions. [2024-11-12 04:15:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-12 04:15:22,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:22,397 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:22,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 04:15:22,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-12 04:15:22,602 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:22,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:22,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1208436979, now seen corresponding path program 1 times [2024-11-12 04:15:22,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:22,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178483245] [2024-11-12 04:15:22,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:22,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:23,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:23,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178483245] [2024-11-12 04:15:23,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178483245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:23,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:23,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:15:23,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096088003] [2024-11-12 04:15:23,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:23,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:15:23,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:23,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:15:23,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:15:23,011 INFO L87 Difference]: Start difference. First operand 17441 states and 26583 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:24,866 INFO L93 Difference]: Finished difference Result 36001 states and 54878 transitions. [2024-11-12 04:15:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:15:24,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 230 [2024-11-12 04:15:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:25,046 INFO L225 Difference]: With dead ends: 36001 [2024-11-12 04:15:25,046 INFO L226 Difference]: Without dead ends: 18563 [2024-11-12 04:15:25,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-12 04:15:25,153 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 316 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:25,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 572 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 04:15:25,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18563 states. [2024-11-12 04:15:26,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18563 to 18449. [2024-11-12 04:15:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18449 states, 13228 states have (on average 1.3831267009374055) internal successors, (18296), 13266 states have internal predecessors, (18296), 4878 states have call successors, (4878), 342 states have call predecessors, (4878), 342 states have return successors, (4878), 4840 states have call predecessors, (4878), 4878 states have call successors, (4878) [2024-11-12 04:15:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18449 states to 18449 states and 28052 transitions. [2024-11-12 04:15:26,869 INFO L78 Accepts]: Start accepts. Automaton has 18449 states and 28052 transitions. Word has length 230 [2024-11-12 04:15:26,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:26,870 INFO L471 AbstractCegarLoop]: Abstraction has 18449 states and 28052 transitions. [2024-11-12 04:15:26,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 18449 states and 28052 transitions. [2024-11-12 04:15:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-12 04:15:26,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:26,877 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:26,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 04:15:26,877 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:26,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:26,878 INFO L85 PathProgramCache]: Analyzing trace with hash 831297582, now seen corresponding path program 1 times [2024-11-12 04:15:26,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:26,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693825493] [2024-11-12 04:15:26,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:26,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:27,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:27,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693825493] [2024-11-12 04:15:27,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693825493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:27,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:27,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:15:27,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777695587] [2024-11-12 04:15:27,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:27,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:15:27,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:27,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:15:27,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:15:27,618 INFO L87 Difference]: Start difference. First operand 18449 states and 28052 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:31,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:31,628 INFO L93 Difference]: Finished difference Result 55771 states and 84673 transitions. [2024-11-12 04:15:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 04:15:31,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 231 [2024-11-12 04:15:31,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:31,771 INFO L225 Difference]: With dead ends: 55771 [2024-11-12 04:15:31,772 INFO L226 Difference]: Without dead ends: 37325 [2024-11-12 04:15:31,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 04:15:31,817 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 767 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:31,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 441 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 04:15:31,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37325 states. [2024-11-12 04:15:34,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37325 to 28262. [2024-11-12 04:15:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28262 states, 20443 states have (on average 1.384483686347405) internal successors, (28303), 20523 states have internal predecessors, (28303), 7324 states have call successors, (7324), 494 states have call predecessors, (7324), 494 states have return successors, (7324), 7244 states have call predecessors, (7324), 7324 states have call successors, (7324) [2024-11-12 04:15:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28262 states to 28262 states and 42951 transitions. [2024-11-12 04:15:34,460 INFO L78 Accepts]: Start accepts. Automaton has 28262 states and 42951 transitions. Word has length 231 [2024-11-12 04:15:34,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:34,460 INFO L471 AbstractCegarLoop]: Abstraction has 28262 states and 42951 transitions. [2024-11-12 04:15:34,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 28262 states and 42951 transitions. [2024-11-12 04:15:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-12 04:15:34,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:34,463 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:34,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 04:15:34,463 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:34,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:34,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1934560563, now seen corresponding path program 1 times [2024-11-12 04:15:34,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:34,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870375317] [2024-11-12 04:15:34,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:34,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:34,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:34,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870375317] [2024-11-12 04:15:34,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870375317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:34,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:34,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:15:34,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836304244] [2024-11-12 04:15:34,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:34,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:15:34,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:34,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:15:34,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:15:34,773 INFO L87 Difference]: Start difference. First operand 28262 states and 42951 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:36,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:36,760 INFO L93 Difference]: Finished difference Result 56565 states and 85984 transitions. [2024-11-12 04:15:36,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:15:36,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 231 [2024-11-12 04:15:36,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:36,995 INFO L225 Difference]: With dead ends: 56565 [2024-11-12 04:15:36,996 INFO L226 Difference]: Without dead ends: 28306 [2024-11-12 04:15:37,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:15:37,042 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 110 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:37,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 471 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:15:37,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28306 states. [2024-11-12 04:15:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28306 to 28281. [2024-11-12 04:15:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28281 states, 20462 states have (on average 1.384126673834425) internal successors, (28322), 20542 states have internal predecessors, (28322), 7324 states have call successors, (7324), 494 states have call predecessors, (7324), 494 states have return successors, (7324), 7244 states have call predecessors, (7324), 7324 states have call successors, (7324) [2024-11-12 04:15:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28281 states to 28281 states and 42970 transitions. [2024-11-12 04:15:39,228 INFO L78 Accepts]: Start accepts. Automaton has 28281 states and 42970 transitions. Word has length 231 [2024-11-12 04:15:39,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:39,228 INFO L471 AbstractCegarLoop]: Abstraction has 28281 states and 42970 transitions. [2024-11-12 04:15:39,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:15:39,229 INFO L276 IsEmpty]: Start isEmpty. Operand 28281 states and 42970 transitions. [2024-11-12 04:15:39,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-12 04:15:39,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:39,230 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:39,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 04:15:39,231 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:39,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:39,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1715705845, now seen corresponding path program 1 times [2024-11-12 04:15:39,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:39,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123288311] [2024-11-12 04:15:39,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:39,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:39,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 75 proven. 117 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2024-11-12 04:15:40,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:40,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123288311] [2024-11-12 04:15:40,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123288311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 04:15:40,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373329963] [2024-11-12 04:15:40,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:40,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 04:15:40,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:15:40,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 04:15:40,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 04:15:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:40,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-12 04:15:40,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 04:15:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1178 proven. 282 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2024-11-12 04:15:41,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 04:15:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 87 proven. 201 refuted. 0 times theorem prover too weak. 1956 trivial. 0 not checked. [2024-11-12 04:15:42,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373329963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 04:15:42,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 04:15:42,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 12] total 26 [2024-11-12 04:15:42,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137433709] [2024-11-12 04:15:42,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 04:15:42,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-12 04:15:42,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:42,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-12 04:15:42,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2024-11-12 04:15:42,982 INFO L87 Difference]: Start difference. First operand 28281 states and 42970 transitions. Second operand has 26 states, 26 states have (on average 6.884615384615385) internal successors, (179), 26 states have internal predecessors, (179), 9 states have call successors, (88), 4 states have call predecessors, (88), 10 states have return successors, (91), 9 states have call predecessors, (91), 9 states have call successors, (91) [2024-11-12 04:15:47,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:47,540 INFO L93 Difference]: Finished difference Result 46653 states and 68497 transitions. [2024-11-12 04:15:47,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 04:15:47,540 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.884615384615385) internal successors, (179), 26 states have internal predecessors, (179), 9 states have call successors, (88), 4 states have call predecessors, (88), 10 states have return successors, (91), 9 states have call predecessors, (91), 9 states have call successors, (91) Word has length 231 [2024-11-12 04:15:47,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:47,660 INFO L225 Difference]: With dead ends: 46653 [2024-11-12 04:15:47,660 INFO L226 Difference]: Without dead ends: 24032 [2024-11-12 04:15:47,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=680, Invalid=1576, Unknown=0, NotChecked=0, Total=2256 [2024-11-12 04:15:47,727 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 1032 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:47,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 670 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 04:15:47,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24032 states. [2024-11-12 04:15:50,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24032 to 22632. [2024-11-12 04:15:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22632 states, 16910 states have (on average 1.3396806623299822) internal successors, (22654), 17036 states have internal predecessors, (22654), 4766 states have call successors, (4766), 955 states have call predecessors, (4766), 955 states have return successors, (4766), 4640 states have call predecessors, (4766), 4766 states have call successors, (4766) [2024-11-12 04:15:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22632 states to 22632 states and 32186 transitions. [2024-11-12 04:15:50,345 INFO L78 Accepts]: Start accepts. Automaton has 22632 states and 32186 transitions. Word has length 231 [2024-11-12 04:15:50,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:50,346 INFO L471 AbstractCegarLoop]: Abstraction has 22632 states and 32186 transitions. [2024-11-12 04:15:50,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.884615384615385) internal successors, (179), 26 states have internal predecessors, (179), 9 states have call successors, (88), 4 states have call predecessors, (88), 10 states have return successors, (91), 9 states have call predecessors, (91), 9 states have call successors, (91) [2024-11-12 04:15:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 22632 states and 32186 transitions. [2024-11-12 04:15:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-12 04:15:50,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:50,349 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:50,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 04:15:50,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 04:15:50,554 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:50,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash -283612895, now seen corresponding path program 1 times [2024-11-12 04:15:50,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:50,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504323066] [2024-11-12 04:15:50,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:50,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:50,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504323066] [2024-11-12 04:15:50,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504323066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:50,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:50,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 04:15:50,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776256915] [2024-11-12 04:15:50,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:50,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 04:15:50,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:50,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 04:15:50,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 04:15:50,939 INFO L87 Difference]: Start difference. First operand 22632 states and 32186 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 04:15:54,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:54,879 INFO L93 Difference]: Finished difference Result 41638 states and 59348 transitions. [2024-11-12 04:15:54,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 04:15:54,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 231 [2024-11-12 04:15:54,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:55,007 INFO L225 Difference]: With dead ends: 41638 [2024-11-12 04:15:55,007 INFO L226 Difference]: Without dead ends: 30892 [2024-11-12 04:15:55,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-12 04:15:55,042 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 475 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:55,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 710 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 04:15:55,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30892 states. [2024-11-12 04:15:59,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30892 to 30797. [2024-11-12 04:15:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30797 states, 22931 states have (on average 1.3390170511534605) internal successors, (30705), 23115 states have internal predecessors, (30705), 6546 states have call successors, (6546), 1319 states have call predecessors, (6546), 1319 states have return successors, (6546), 6362 states have call predecessors, (6546), 6546 states have call successors, (6546) [2024-11-12 04:15:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30797 states to 30797 states and 43797 transitions. [2024-11-12 04:15:59,197 INFO L78 Accepts]: Start accepts. Automaton has 30797 states and 43797 transitions. Word has length 231 [2024-11-12 04:15:59,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:59,201 INFO L471 AbstractCegarLoop]: Abstraction has 30797 states and 43797 transitions. [2024-11-12 04:15:59,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 04:15:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 30797 states and 43797 transitions. [2024-11-12 04:15:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-12 04:15:59,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:59,204 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:15:59,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 04:15:59,205 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:59,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:59,209 INFO L85 PathProgramCache]: Analyzing trace with hash -917098050, now seen corresponding path program 1 times [2024-11-12 04:15:59,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:59,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273345503] [2024-11-12 04:15:59,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:15:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:15:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:15:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:15:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:15:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 04:15:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:15:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 04:15:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:15:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:15:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:15:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:15:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 04:15:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 04:15:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:15:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 04:15:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:15:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:15:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 04:15:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 04:15:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-12 04:15:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:15:59,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273345503] [2024-11-12 04:15:59,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273345503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:59,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:59,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 04:15:59,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481886400] [2024-11-12 04:15:59,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:59,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 04:15:59,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:59,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 04:15:59,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-12 04:15:59,690 INFO L87 Difference]: Start difference. First operand 30797 states and 43797 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 04:16:03,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:16:03,875 INFO L93 Difference]: Finished difference Result 61728 states and 87750 transitions. [2024-11-12 04:16:03,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 04:16:03,876 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 232 [2024-11-12 04:16:03,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:16:04,039 INFO L225 Difference]: With dead ends: 61728 [2024-11-12 04:16:04,040 INFO L226 Difference]: Without dead ends: 30934 [2024-11-12 04:16:04,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:16:04,107 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 527 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 04:16:04,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1293 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 04:16:04,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30934 states.