./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-63.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 8d684ebe960d17f15dd8c83d8cf3e676853b2b7a1cdec8ea8ac85aafe28041c6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:34:18,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:34:18,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:34:18,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:34:18,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:34:18,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:34:18,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:34:18,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:34:18,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:34:18,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:34:18,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:34:18,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:34:18,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:34:18,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:34:18,134 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:34:18,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:34:18,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:34:18,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:34:18,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:34:18,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:34:18,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:34:18,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:34:18,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:34:18,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:34:18,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:34:18,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:34:18,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:34:18,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:34:18,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:34:18,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:34:18,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:34:18,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:34:18,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:34:18,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:34:18,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:34:18,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:34:18,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:34:18,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:34:18,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:34:18,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:34:18,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:34:18,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:34:18,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d684ebe960d17f15dd8c83d8cf3e676853b2b7a1cdec8ea8ac85aafe28041c6 [2024-10-13 02:34:18,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:34:18,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:34:18,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:34:18,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:34:18,507 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:34:18,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i [2024-10-13 02:34:20,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:34:20,299 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:34:20,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i [2024-10-13 02:34:20,316 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f86f34c7/cbcfe1e2fe7b434498f9f1816af26cce/FLAG9ec9a3a93 [2024-10-13 02:34:20,631 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f86f34c7/cbcfe1e2fe7b434498f9f1816af26cce [2024-10-13 02:34:20,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:34:20,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:34:20,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:34:20,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:34:20,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:34:20,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:34:20" (1/1) ... [2024-10-13 02:34:20,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6026d47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:20, skipping insertion in model container [2024-10-13 02:34:20,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:34:20" (1/1) ... [2024-10-13 02:34:20,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:34:20,865 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i[919,932] [2024-10-13 02:34:20,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:34:20,958 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:34:20,968 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i[919,932] [2024-10-13 02:34:21,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:34:21,037 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:34:21,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21 WrapperNode [2024-10-13 02:34:21,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:34:21,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:34:21,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:34:21,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:34:21,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,107 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 285 [2024-10-13 02:34:21,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:34:21,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:34:21,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:34:21,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:34:21,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,157 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 02:34:21,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:34:21,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:34:21,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:34:21,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:34:21,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (1/1) ... [2024-10-13 02:34:21,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:34:21,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:34:21,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 02:34:21,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 02:34:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:34:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:34:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:34:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:34:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:34:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:34:21,446 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:34:21,449 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:34:22,006 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-10-13 02:34:22,007 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:34:22,052 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:34:22,052 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:34:22,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:34:22 BoogieIcfgContainer [2024-10-13 02:34:22,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:34:22,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:34:22,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:34:22,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:34:22,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:34:20" (1/3) ... [2024-10-13 02:34:22,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8f9559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:34:22, skipping insertion in model container [2024-10-13 02:34:22,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:21" (2/3) ... [2024-10-13 02:34:22,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8f9559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:34:22, skipping insertion in model container [2024-10-13 02:34:22,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:34:22" (3/3) ... [2024-10-13 02:34:22,064 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i [2024-10-13 02:34:22,080 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:34:22,081 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:34:22,143 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:34:22,149 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;@30d0f0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:34:22,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:34:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 02:34:22,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 02:34:22,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:22,170 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:22,170 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:22,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:22,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1770407713, now seen corresponding path program 1 times [2024-10-13 02:34:22,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:22,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455027644] [2024-10-13 02:34:22,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:22,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:22,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455027644] [2024-10-13 02:34:22,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455027644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:22,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:22,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:34:22,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356280805] [2024-10-13 02:34:22,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:22,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:34:22,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:22,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:34:22,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:34:22,909 INFO L87 Difference]: Start difference. First operand has 109 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-13 02:34:22,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:22,968 INFO L93 Difference]: Finished difference Result 215 states and 376 transitions. [2024-10-13 02:34:22,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:34:22,971 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 211 [2024-10-13 02:34:22,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:22,981 INFO L225 Difference]: With dead ends: 215 [2024-10-13 02:34:22,982 INFO L226 Difference]: Without dead ends: 107 [2024-10-13 02:34:22,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:34:22,996 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:22,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:34:23,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-13 02:34:23,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-13 02:34:23,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 02:34:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 168 transitions. [2024-10-13 02:34:23,062 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 168 transitions. Word has length 211 [2024-10-13 02:34:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:23,063 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 168 transitions. [2024-10-13 02:34:23,063 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-13 02:34:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 168 transitions. [2024-10-13 02:34:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 02:34:23,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:23,069 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:23,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:34:23,070 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:23,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:23,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1185918669, now seen corresponding path program 1 times [2024-10-13 02:34:23,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:23,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081048473] [2024-10-13 02:34:23,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:23,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:23,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:23,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081048473] [2024-10-13 02:34:23,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081048473] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:23,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:23,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:34:23,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770841545] [2024-10-13 02:34:23,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:23,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:34:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:23,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:34:23,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:23,462 INFO L87 Difference]: Start difference. First operand 107 states and 168 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:23,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:23,529 INFO L93 Difference]: Finished difference Result 258 states and 407 transitions. [2024-10-13 02:34:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:34:23,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-13 02:34:23,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:23,534 INFO L225 Difference]: With dead ends: 258 [2024-10-13 02:34:23,534 INFO L226 Difference]: Without dead ends: 152 [2024-10-13 02:34:23,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:23,536 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 68 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 316 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 [2024-10-13 02:34:23,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 316 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:34:23,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-13 02:34:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 129. [2024-10-13 02:34:23,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 95 states have internal predecessors, (140), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 02:34:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 204 transitions. [2024-10-13 02:34:23,558 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 204 transitions. Word has length 211 [2024-10-13 02:34:23,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:23,563 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 204 transitions. [2024-10-13 02:34:23,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:23,564 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 204 transitions. [2024-10-13 02:34:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 02:34:23,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:23,568 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:23,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:34:23,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:23,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:23,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1326467279, now seen corresponding path program 1 times [2024-10-13 02:34:23,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:23,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950466853] [2024-10-13 02:34:23,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:23,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:24,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:24,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950466853] [2024-10-13 02:34:24,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950466853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:24,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:24,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:34:24,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190757051] [2024-10-13 02:34:24,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:24,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:34:24,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:24,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:34:24,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:24,286 INFO L87 Difference]: Start difference. First operand 129 states and 204 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:24,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:24,367 INFO L93 Difference]: Finished difference Result 385 states and 610 transitions. [2024-10-13 02:34:24,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:34:24,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-13 02:34:24,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:24,371 INFO L225 Difference]: With dead ends: 385 [2024-10-13 02:34:24,371 INFO L226 Difference]: Without dead ends: 257 [2024-10-13 02:34:24,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:24,374 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 93 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:24,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 326 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:34:24,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-13 02:34:24,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2024-10-13 02:34:24,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 188 states have (on average 1.4734042553191489) internal successors, (277), 188 states have internal predecessors, (277), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-13 02:34:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 405 transitions. [2024-10-13 02:34:24,404 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 405 transitions. Word has length 211 [2024-10-13 02:34:24,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:24,405 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 405 transitions. [2024-10-13 02:34:24,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 405 transitions. [2024-10-13 02:34:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 02:34:24,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:24,410 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:24,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:34:24,410 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:24,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:24,411 INFO L85 PathProgramCache]: Analyzing trace with hash 903765453, now seen corresponding path program 1 times [2024-10-13 02:34:24,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:24,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180496754] [2024-10-13 02:34:24,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:24,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:24,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:24,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180496754] [2024-10-13 02:34:24,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180496754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:24,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:24,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:24,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812546650] [2024-10-13 02:34:24,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:24,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:24,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:24,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:24,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:24,915 INFO L87 Difference]: Start difference. First operand 255 states and 405 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:26,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:26,079 INFO L93 Difference]: Finished difference Result 866 states and 1351 transitions. [2024-10-13 02:34:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 02:34:26,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-13 02:34:26,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:26,087 INFO L225 Difference]: With dead ends: 866 [2024-10-13 02:34:26,088 INFO L226 Difference]: Without dead ends: 738 [2024-10-13 02:34:26,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:26,090 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 581 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:26,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 610 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 02:34:26,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-10-13 02:34:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 282. [2024-10-13 02:34:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 215 states have (on average 1.4883720930232558) internal successors, (320), 215 states have internal predecessors, (320), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-13 02:34:26,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 448 transitions. [2024-10-13 02:34:26,169 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 448 transitions. Word has length 211 [2024-10-13 02:34:26,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:26,170 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 448 transitions. [2024-10-13 02:34:26,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 448 transitions. [2024-10-13 02:34:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 02:34:26,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:26,175 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:26,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:34:26,175 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:26,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash -117302901, now seen corresponding path program 1 times [2024-10-13 02:34:26,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:26,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002377999] [2024-10-13 02:34:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:26,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:26,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:26,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002377999] [2024-10-13 02:34:26,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002377999] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:26,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:26,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:34:26,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965072040] [2024-10-13 02:34:26,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:26,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:34:26,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:26,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:34:26,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:26,654 INFO L87 Difference]: Start difference. First operand 282 states and 448 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:27,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:27,507 INFO L93 Difference]: Finished difference Result 1128 states and 1763 transitions. [2024-10-13 02:34:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:34:27,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-13 02:34:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:27,516 INFO L225 Difference]: With dead ends: 1128 [2024-10-13 02:34:27,516 INFO L226 Difference]: Without dead ends: 847 [2024-10-13 02:34:27,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:34:27,519 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 423 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:27,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1044 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:34:27,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-10-13 02:34:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 341. [2024-10-13 02:34:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 274 states have (on average 1.4744525547445255) internal successors, (404), 274 states have internal predecessors, (404), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-13 02:34:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 532 transitions. [2024-10-13 02:34:27,625 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 532 transitions. Word has length 211 [2024-10-13 02:34:27,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:27,626 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 532 transitions. [2024-10-13 02:34:27,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 532 transitions. [2024-10-13 02:34:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 02:34:27,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:27,630 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:27,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:34:27,631 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:27,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:27,632 INFO L85 PathProgramCache]: Analyzing trace with hash 692043725, now seen corresponding path program 1 times [2024-10-13 02:34:27,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:27,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237389958] [2024-10-13 02:34:27,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:27,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:27,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:27,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237389958] [2024-10-13 02:34:27,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237389958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:27,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:27,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:34:27,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936634897] [2024-10-13 02:34:27,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:27,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:34:27,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:27,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:34:27,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:34:27,935 INFO L87 Difference]: Start difference. First operand 341 states and 532 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:28,201 INFO L93 Difference]: Finished difference Result 940 states and 1479 transitions. [2024-10-13 02:34:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:34:28,202 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-13 02:34:28,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:28,207 INFO L225 Difference]: With dead ends: 940 [2024-10-13 02:34:28,207 INFO L226 Difference]: Without dead ends: 596 [2024-10-13 02:34:28,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:34:28,210 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 312 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:28,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 307 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:34:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-10-13 02:34:28,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 436. [2024-10-13 02:34:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 369 states have (on average 1.5121951219512195) internal successors, (558), 369 states have internal predecessors, (558), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-13 02:34:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 686 transitions. [2024-10-13 02:34:28,284 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 686 transitions. Word has length 211 [2024-10-13 02:34:28,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:28,285 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 686 transitions. [2024-10-13 02:34:28,285 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 686 transitions. [2024-10-13 02:34:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:34:28,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:28,287 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:28,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 02:34:28,288 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:28,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:28,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1389637874, now seen corresponding path program 1 times [2024-10-13 02:34:28,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:28,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435396562] [2024-10-13 02:34:28,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:28,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:29,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:29,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435396562] [2024-10-13 02:34:29,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435396562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:29,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:29,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 02:34:29,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855427199] [2024-10-13 02:34:29,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:29,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 02:34:29,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:29,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 02:34:29,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:29,015 INFO L87 Difference]: Start difference. First operand 436 states and 686 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:31,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:31,069 INFO L93 Difference]: Finished difference Result 2093 states and 3239 transitions. [2024-10-13 02:34:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 02:34:31,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-10-13 02:34:31,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:31,083 INFO L225 Difference]: With dead ends: 2093 [2024-10-13 02:34:31,083 INFO L226 Difference]: Without dead ends: 1658 [2024-10-13 02:34:31,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:34:31,086 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 639 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:31,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 946 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 02:34:31,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2024-10-13 02:34:31,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 498. [2024-10-13 02:34:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 431 states have (on average 1.5382830626450117) internal successors, (663), 431 states have internal predecessors, (663), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-13 02:34:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 791 transitions. [2024-10-13 02:34:31,230 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 791 transitions. Word has length 212 [2024-10-13 02:34:31,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:31,231 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 791 transitions. [2024-10-13 02:34:31,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 791 transitions. [2024-10-13 02:34:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:34:31,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:31,236 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:31,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 02:34:31,236 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:31,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:31,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1477064427, now seen corresponding path program 1 times [2024-10-13 02:34:31,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:31,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417630359] [2024-10-13 02:34:31,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:31,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:31,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:31,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417630359] [2024-10-13 02:34:31,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417630359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:31,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:31,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:34:31,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016994924] [2024-10-13 02:34:31,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:31,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:34:31,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:31,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:34:31,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:31,414 INFO L87 Difference]: Start difference. First operand 498 states and 791 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:31,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:31,594 INFO L93 Difference]: Finished difference Result 1235 states and 1944 transitions. [2024-10-13 02:34:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:34:31,595 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-10-13 02:34:31,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:31,599 INFO L225 Difference]: With dead ends: 1235 [2024-10-13 02:34:31,599 INFO L226 Difference]: Without dead ends: 734 [2024-10-13 02:34:31,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:31,602 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 126 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:31,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 321 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:34:31,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-10-13 02:34:31,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 590. [2024-10-13 02:34:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 523 states have (on average 1.5277246653919694) internal successors, (799), 523 states have internal predecessors, (799), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-13 02:34:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 927 transitions. [2024-10-13 02:34:31,678 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 927 transitions. Word has length 212 [2024-10-13 02:34:31,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:31,679 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 927 transitions. [2024-10-13 02:34:31,679 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 927 transitions. [2024-10-13 02:34:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:34:31,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:31,683 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:31,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 02:34:31,684 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:31,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:31,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1608492592, now seen corresponding path program 1 times [2024-10-13 02:34:31,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:31,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672303041] [2024-10-13 02:34:31,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:31,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:31,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:31,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672303041] [2024-10-13 02:34:31,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672303041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:31,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:31,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:34:31,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118788341] [2024-10-13 02:34:31,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:31,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:34:31,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:31,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:34:31,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:34:31,972 INFO L87 Difference]: Start difference. First operand 590 states and 927 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:32,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:32,396 INFO L93 Difference]: Finished difference Result 1743 states and 2716 transitions. [2024-10-13 02:34:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:32,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-10-13 02:34:32,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:32,403 INFO L225 Difference]: With dead ends: 1743 [2024-10-13 02:34:32,403 INFO L226 Difference]: Without dead ends: 1123 [2024-10-13 02:34:32,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:32,407 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 383 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:32,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 947 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:34:32,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-10-13 02:34:32,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 868. [2024-10-13 02:34:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 768 states have (on average 1.4934895833333333) internal successors, (1147), 768 states have internal predecessors, (1147), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1339 transitions. [2024-10-13 02:34:32,541 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1339 transitions. Word has length 212 [2024-10-13 02:34:32,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:32,542 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1339 transitions. [2024-10-13 02:34:32,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1339 transitions. [2024-10-13 02:34:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 02:34:32,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:32,546 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:32,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 02:34:32,546 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:32,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:32,547 INFO L85 PathProgramCache]: Analyzing trace with hash -936231008, now seen corresponding path program 1 times [2024-10-13 02:34:32,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:32,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878615805] [2024-10-13 02:34:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:32,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:32,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:32,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878615805] [2024-10-13 02:34:32,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878615805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:32,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:32,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:34:32,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723907591] [2024-10-13 02:34:32,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:32,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:34:32,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:32,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:34:32,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:34:32,820 INFO L87 Difference]: Start difference. First operand 868 states and 1339 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:33,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:33,444 INFO L93 Difference]: Finished difference Result 2248 states and 3459 transitions. [2024-10-13 02:34:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:34:33,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-10-13 02:34:33,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:33,452 INFO L225 Difference]: With dead ends: 2248 [2024-10-13 02:34:33,452 INFO L226 Difference]: Without dead ends: 1381 [2024-10-13 02:34:33,454 INFO L431 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 [2024-10-13 02:34:33,455 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 346 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:33,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 463 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:34:33,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-10-13 02:34:33,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 914. [2024-10-13 02:34:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 814 states have (on average 1.484029484029484) internal successors, (1208), 814 states have internal predecessors, (1208), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1400 transitions. [2024-10-13 02:34:33,572 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1400 transitions. Word has length 212 [2024-10-13 02:34:33,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:33,573 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1400 transitions. [2024-10-13 02:34:33,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1400 transitions. [2024-10-13 02:34:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-13 02:34:33,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:33,577 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:33,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 02:34:33,577 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:33,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:33,578 INFO L85 PathProgramCache]: Analyzing trace with hash 705824228, now seen corresponding path program 1 times [2024-10-13 02:34:33,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:33,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103326799] [2024-10-13 02:34:33,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:33,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:33,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103326799] [2024-10-13 02:34:33,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103326799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:33,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:33,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:34:33,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130485396] [2024-10-13 02:34:33,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:33,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:34:33,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:33,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:34:33,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:34:33,879 INFO L87 Difference]: Start difference. First operand 914 states and 1400 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:34,464 INFO L93 Difference]: Finished difference Result 2128 states and 3251 transitions. [2024-10-13 02:34:34,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:34:34,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-13 02:34:34,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:34,471 INFO L225 Difference]: With dead ends: 2128 [2024-10-13 02:34:34,472 INFO L226 Difference]: Without dead ends: 1212 [2024-10-13 02:34:34,474 INFO L431 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 [2024-10-13 02:34:34,474 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 281 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:34,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 508 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:34:34,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2024-10-13 02:34:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 893. [2024-10-13 02:34:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 793 states have (on average 1.4791929382093316) internal successors, (1173), 793 states have internal predecessors, (1173), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1365 transitions. [2024-10-13 02:34:34,586 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1365 transitions. Word has length 213 [2024-10-13 02:34:34,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:34,587 INFO L471 AbstractCegarLoop]: Abstraction has 893 states and 1365 transitions. [2024-10-13 02:34:34,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:34,587 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1365 transitions. [2024-10-13 02:34:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-13 02:34:34,590 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:34,590 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:34,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 02:34:34,590 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:34,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:34,591 INFO L85 PathProgramCache]: Analyzing trace with hash -672119222, now seen corresponding path program 1 times [2024-10-13 02:34:34,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:34,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958901296] [2024-10-13 02:34:34,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:34,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:34,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:34,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958901296] [2024-10-13 02:34:34,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958901296] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:34,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:34,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:34:34,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430272670] [2024-10-13 02:34:34,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:34,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:34:34,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:34,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:34:34,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:34,883 INFO L87 Difference]: Start difference. First operand 893 states and 1365 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:35,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:35,384 INFO L93 Difference]: Finished difference Result 2133 states and 3241 transitions. [2024-10-13 02:34:35,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:34:35,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-13 02:34:35,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:35,391 INFO L225 Difference]: With dead ends: 2133 [2024-10-13 02:34:35,391 INFO L226 Difference]: Without dead ends: 1241 [2024-10-13 02:34:35,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:35,395 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 135 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:35,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 989 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:34:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-10-13 02:34:35,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 910. [2024-10-13 02:34:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 810 states have (on average 1.480246913580247) internal successors, (1199), 810 states have internal predecessors, (1199), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1391 transitions. [2024-10-13 02:34:35,539 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1391 transitions. Word has length 213 [2024-10-13 02:34:35,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:35,540 INFO L471 AbstractCegarLoop]: Abstraction has 910 states and 1391 transitions. [2024-10-13 02:34:35,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1391 transitions. [2024-10-13 02:34:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-13 02:34:35,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:35,544 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:35,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 02:34:35,544 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:35,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:35,545 INFO L85 PathProgramCache]: Analyzing trace with hash 137227404, now seen corresponding path program 1 times [2024-10-13 02:34:35,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:35,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166678097] [2024-10-13 02:34:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:35,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:35,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:35,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166678097] [2024-10-13 02:34:35,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166678097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:35,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:35,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:35,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419583296] [2024-10-13 02:34:35,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:35,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:35,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:35,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:35,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:35,894 INFO L87 Difference]: Start difference. First operand 910 states and 1391 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:36,347 INFO L93 Difference]: Finished difference Result 2261 states and 3434 transitions. [2024-10-13 02:34:36,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:36,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-13 02:34:36,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:36,354 INFO L225 Difference]: With dead ends: 2261 [2024-10-13 02:34:36,354 INFO L226 Difference]: Without dead ends: 1337 [2024-10-13 02:34:36,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:36,357 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 133 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:36,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 484 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:34:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-10-13 02:34:36,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 958. [2024-10-13 02:34:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 858 states have (on average 1.4825174825174825) internal successors, (1272), 858 states have internal predecessors, (1272), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1464 transitions. [2024-10-13 02:34:36,490 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1464 transitions. Word has length 213 [2024-10-13 02:34:36,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:36,491 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1464 transitions. [2024-10-13 02:34:36,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:36,491 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1464 transitions. [2024-10-13 02:34:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-13 02:34:36,493 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:36,494 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:36,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 02:34:36,494 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:36,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:36,494 INFO L85 PathProgramCache]: Analyzing trace with hash 161438608, now seen corresponding path program 1 times [2024-10-13 02:34:36,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:36,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658224071] [2024-10-13 02:34:36,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:36,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:36,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:36,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658224071] [2024-10-13 02:34:36,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658224071] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:36,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:36,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:36,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942988349] [2024-10-13 02:34:36,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:36,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:36,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:36,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:36,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:36,744 INFO L87 Difference]: Start difference. First operand 958 states and 1464 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:37,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:37,563 INFO L93 Difference]: Finished difference Result 2359 states and 3586 transitions. [2024-10-13 02:34:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:34:37,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-13 02:34:37,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:37,571 INFO L225 Difference]: With dead ends: 2359 [2024-10-13 02:34:37,572 INFO L226 Difference]: Without dead ends: 1402 [2024-10-13 02:34:37,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:37,575 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 289 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:37,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 588 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 02:34:37,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-10-13 02:34:37,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1033. [2024-10-13 02:34:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 933 states have (on average 1.4758842443729903) internal successors, (1377), 933 states have internal predecessors, (1377), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1569 transitions. [2024-10-13 02:34:37,725 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1569 transitions. Word has length 213 [2024-10-13 02:34:37,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:37,725 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1569 transitions. [2024-10-13 02:34:37,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:37,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1569 transitions. [2024-10-13 02:34:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-13 02:34:37,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:37,728 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:37,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 02:34:37,729 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:37,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:37,729 INFO L85 PathProgramCache]: Analyzing trace with hash -326547045, now seen corresponding path program 1 times [2024-10-13 02:34:37,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:37,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745018416] [2024-10-13 02:34:37,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:37,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:38,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745018416] [2024-10-13 02:34:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745018416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:38,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:34:38,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962899039] [2024-10-13 02:34:38,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:38,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:34:38,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:38,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:34:38,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:38,169 INFO L87 Difference]: Start difference. First operand 1033 states and 1569 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:39,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:39,144 INFO L93 Difference]: Finished difference Result 2431 states and 3678 transitions. [2024-10-13 02:34:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:39,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-13 02:34:39,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:39,152 INFO L225 Difference]: With dead ends: 2431 [2024-10-13 02:34:39,152 INFO L226 Difference]: Without dead ends: 1385 [2024-10-13 02:34:39,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:34:39,155 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 339 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:39,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 795 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:34:39,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-13 02:34:39,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1060. [2024-10-13 02:34:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 960 states have (on average 1.46875) internal successors, (1410), 960 states have internal predecessors, (1410), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1602 transitions. [2024-10-13 02:34:39,303 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1602 transitions. Word has length 213 [2024-10-13 02:34:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:39,304 INFO L471 AbstractCegarLoop]: Abstraction has 1060 states and 1602 transitions. [2024-10-13 02:34:39,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:39,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1602 transitions. [2024-10-13 02:34:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:39,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:39,306 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:39,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 02:34:39,306 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:39,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1874829506, now seen corresponding path program 1 times [2024-10-13 02:34:39,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:39,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727281350] [2024-10-13 02:34:39,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:39,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:39,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727281350] [2024-10-13 02:34:39,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727281350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:39,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:39,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:34:39,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503427913] [2024-10-13 02:34:39,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:39,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:34:39,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:39,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:34:39,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:39,671 INFO L87 Difference]: Start difference. First operand 1060 states and 1602 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:40,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:40,555 INFO L93 Difference]: Finished difference Result 2409 states and 3633 transitions. [2024-10-13 02:34:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:34:40,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:40,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:40,562 INFO L225 Difference]: With dead ends: 2409 [2024-10-13 02:34:40,562 INFO L226 Difference]: Without dead ends: 1346 [2024-10-13 02:34:40,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-13 02:34:40,565 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 226 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:40,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 1017 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 02:34:40,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2024-10-13 02:34:40,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1036. [2024-10-13 02:34:40,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 936 states have (on average 1.4668803418803418) internal successors, (1373), 936 states have internal predecessors, (1373), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1565 transitions. [2024-10-13 02:34:40,719 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1565 transitions. Word has length 214 [2024-10-13 02:34:40,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:40,719 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1565 transitions. [2024-10-13 02:34:40,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1565 transitions. [2024-10-13 02:34:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:40,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:40,721 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:40,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 02:34:40,722 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:40,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:40,723 INFO L85 PathProgramCache]: Analyzing trace with hash -445296556, now seen corresponding path program 1 times [2024-10-13 02:34:40,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:40,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426776391] [2024-10-13 02:34:40,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:40,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:41,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:41,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426776391] [2024-10-13 02:34:41,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426776391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:41,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:41,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 02:34:41,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023531595] [2024-10-13 02:34:41,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:41,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 02:34:41,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:41,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 02:34:41,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:41,108 INFO L87 Difference]: Start difference. First operand 1036 states and 1565 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:42,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:42,417 INFO L93 Difference]: Finished difference Result 3358 states and 5075 transitions. [2024-10-13 02:34:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 02:34:42,417 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:42,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:42,428 INFO L225 Difference]: With dead ends: 3358 [2024-10-13 02:34:42,429 INFO L226 Difference]: Without dead ends: 2323 [2024-10-13 02:34:42,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-10-13 02:34:42,432 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 437 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:42,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 715 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 02:34:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2024-10-13 02:34:42,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 1061. [2024-10-13 02:34:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 961 states have (on average 1.4693028095733611) internal successors, (1412), 961 states have internal predecessors, (1412), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:34:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1604 transitions. [2024-10-13 02:34:42,666 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1604 transitions. Word has length 214 [2024-10-13 02:34:42,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:42,666 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1604 transitions. [2024-10-13 02:34:42,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1604 transitions. [2024-10-13 02:34:42,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:42,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:42,669 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:42,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 02:34:42,669 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:42,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:42,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1125354926, now seen corresponding path program 1 times [2024-10-13 02:34:42,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:42,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026799212] [2024-10-13 02:34:42,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:42,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:43,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:43,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026799212] [2024-10-13 02:34:43,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026799212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:43,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855260752] [2024-10-13 02:34:43,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:43,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:43,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:43,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:43,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:43,351 INFO L87 Difference]: Start difference. First operand 1061 states and 1604 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:43,633 INFO L93 Difference]: Finished difference Result 3068 states and 4615 transitions. [2024-10-13 02:34:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:43,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:43,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:43,641 INFO L225 Difference]: With dead ends: 3068 [2024-10-13 02:34:43,642 INFO L226 Difference]: Without dead ends: 1970 [2024-10-13 02:34:43,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:43,645 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 240 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:43,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 375 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:34:43,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2024-10-13 02:34:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1956. [2024-10-13 02:34:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1832 states have (on average 1.4743449781659388) internal successors, (2701), 1838 states have internal predecessors, (2701), 114 states have call successors, (114), 9 states have call predecessors, (114), 9 states have return successors, (114), 108 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-13 02:34:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2929 transitions. [2024-10-13 02:34:43,843 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2929 transitions. Word has length 214 [2024-10-13 02:34:43,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:43,844 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2929 transitions. [2024-10-13 02:34:43,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2929 transitions. [2024-10-13 02:34:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:43,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:43,847 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:43,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 02:34:43,847 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:43,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:43,848 INFO L85 PathProgramCache]: Analyzing trace with hash 522278356, now seen corresponding path program 1 times [2024-10-13 02:34:43,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:43,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329568529] [2024-10-13 02:34:43,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:43,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:44,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:44,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329568529] [2024-10-13 02:34:44,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329568529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:44,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:44,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 02:34:44,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103128845] [2024-10-13 02:34:44,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:44,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 02:34:44,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:44,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 02:34:44,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:34:44,449 INFO L87 Difference]: Start difference. First operand 1956 states and 2929 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:45,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:45,422 INFO L93 Difference]: Finished difference Result 5277 states and 7616 transitions. [2024-10-13 02:34:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 02:34:45,423 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:45,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:45,441 INFO L225 Difference]: With dead ends: 5277 [2024-10-13 02:34:45,441 INFO L226 Difference]: Without dead ends: 3322 [2024-10-13 02:34:45,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-10-13 02:34:45,445 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 374 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:45,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1149 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:34:45,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2024-10-13 02:34:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 2068. [2024-10-13 02:34:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1944 states have (on average 1.4634773662551441) internal successors, (2845), 1950 states have internal predecessors, (2845), 114 states have call successors, (114), 9 states have call predecessors, (114), 9 states have return successors, (114), 108 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-13 02:34:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 3073 transitions. [2024-10-13 02:34:45,706 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 3073 transitions. Word has length 214 [2024-10-13 02:34:45,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:45,706 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 3073 transitions. [2024-10-13 02:34:45,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 3073 transitions. [2024-10-13 02:34:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:45,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:45,709 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:45,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 02:34:45,710 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:45,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:45,710 INFO L85 PathProgramCache]: Analyzing trace with hash -754147667, now seen corresponding path program 1 times [2024-10-13 02:34:45,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:45,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099346885] [2024-10-13 02:34:45,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:45,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:46,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:46,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:46,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099346885] [2024-10-13 02:34:46,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099346885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:46,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:46,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 02:34:46,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603864805] [2024-10-13 02:34:46,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:46,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 02:34:46,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:46,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 02:34:46,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:46,460 INFO L87 Difference]: Start difference. First operand 2068 states and 3073 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:48,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:48,161 INFO L93 Difference]: Finished difference Result 5101 states and 7556 transitions. [2024-10-13 02:34:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:34:48,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:48,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:48,180 INFO L225 Difference]: With dead ends: 5101 [2024-10-13 02:34:48,180 INFO L226 Difference]: Without dead ends: 3034 [2024-10-13 02:34:48,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:34:48,184 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 567 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 389 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:48,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 852 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [389 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 02:34:48,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2024-10-13 02:34:48,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 2716. [2024-10-13 02:34:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2551 states have (on average 1.4586436691493532) internal successors, (3721), 2559 states have internal predecessors, (3721), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 02:34:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 4025 transitions. [2024-10-13 02:34:48,489 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 4025 transitions. Word has length 214 [2024-10-13 02:34:48,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:48,492 INFO L471 AbstractCegarLoop]: Abstraction has 2716 states and 4025 transitions. [2024-10-13 02:34:48,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 4025 transitions. [2024-10-13 02:34:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:48,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:48,495 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:48,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 02:34:48,495 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:48,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1051290667, now seen corresponding path program 1 times [2024-10-13 02:34:48,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:48,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848242766] [2024-10-13 02:34:48,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:48,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:49,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:49,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848242766] [2024-10-13 02:34:49,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848242766] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:49,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:49,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 02:34:49,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070904332] [2024-10-13 02:34:49,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:49,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 02:34:49,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:49,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 02:34:49,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 02:34:49,133 INFO L87 Difference]: Start difference. First operand 2716 states and 4025 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:50,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:50,294 INFO L93 Difference]: Finished difference Result 6566 states and 9484 transitions. [2024-10-13 02:34:50,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:34:50,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:50,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:50,307 INFO L225 Difference]: With dead ends: 6566 [2024-10-13 02:34:50,308 INFO L226 Difference]: Without dead ends: 3851 [2024-10-13 02:34:50,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-13 02:34:50,314 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 326 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:50,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 1168 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:34:50,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2024-10-13 02:34:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 2920. [2024-10-13 02:34:50,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2755 states have (on average 1.4377495462794918) internal successors, (3961), 2763 states have internal predecessors, (3961), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 02:34:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4265 transitions. [2024-10-13 02:34:50,609 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4265 transitions. Word has length 214 [2024-10-13 02:34:50,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:50,609 INFO L471 AbstractCegarLoop]: Abstraction has 2920 states and 4265 transitions. [2024-10-13 02:34:50,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4265 transitions. [2024-10-13 02:34:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:50,613 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:50,613 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:50,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 02:34:50,614 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:50,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:50,614 INFO L85 PathProgramCache]: Analyzing trace with hash 21465770, now seen corresponding path program 1 times [2024-10-13 02:34:50,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:50,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346704425] [2024-10-13 02:34:50,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:50,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:50,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:50,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346704425] [2024-10-13 02:34:50,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346704425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:50,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:50,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:34:50,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829197423] [2024-10-13 02:34:50,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:50,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:34:50,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:50,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:34:50,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:50,716 INFO L87 Difference]: Start difference. First operand 2920 states and 4265 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:51,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:51,255 INFO L93 Difference]: Finished difference Result 7917 states and 11591 transitions. [2024-10-13 02:34:51,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:34:51,256 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:51,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:51,270 INFO L225 Difference]: With dead ends: 7917 [2024-10-13 02:34:51,271 INFO L226 Difference]: Without dead ends: 4998 [2024-10-13 02:34:51,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:51,278 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 161 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:51,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 480 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:34:51,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states. [2024-10-13 02:34:51,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 2926. [2024-10-13 02:34:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2761 states have (on average 1.419051068453459) internal successors, (3918), 2769 states have internal predecessors, (3918), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 02:34:51,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 4222 transitions. [2024-10-13 02:34:51,602 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 4222 transitions. Word has length 214 [2024-10-13 02:34:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:51,604 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 4222 transitions. [2024-10-13 02:34:51,604 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 4222 transitions. [2024-10-13 02:34:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:51,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:51,609 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:51,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 02:34:51,609 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:51,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:51,609 INFO L85 PathProgramCache]: Analyzing trace with hash 279631208, now seen corresponding path program 1 times [2024-10-13 02:34:51,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:51,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49071768] [2024-10-13 02:34:51,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:51,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:52,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:52,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49071768] [2024-10-13 02:34:52,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49071768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:52,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:52,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:52,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192851587] [2024-10-13 02:34:52,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:52,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:52,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:52,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:52,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:52,018 INFO L87 Difference]: Start difference. First operand 2926 states and 4222 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:52,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:52,792 INFO L93 Difference]: Finished difference Result 6168 states and 8941 transitions. [2024-10-13 02:34:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:52,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:52,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:52,801 INFO L225 Difference]: With dead ends: 6168 [2024-10-13 02:34:52,801 INFO L226 Difference]: Without dead ends: 3243 [2024-10-13 02:34:52,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:52,807 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 340 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:52,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 587 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 02:34:52,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2024-10-13 02:34:53,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2790. [2024-10-13 02:34:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 2625 states have (on average 1.4255238095238094) internal successors, (3742), 2633 states have internal predecessors, (3742), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 02:34:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 4046 transitions. [2024-10-13 02:34:53,103 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 4046 transitions. Word has length 214 [2024-10-13 02:34:53,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:53,103 INFO L471 AbstractCegarLoop]: Abstraction has 2790 states and 4046 transitions. [2024-10-13 02:34:53,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 4046 transitions. [2024-10-13 02:34:53,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:53,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:53,109 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:53,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 02:34:53,110 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:53,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:53,110 INFO L85 PathProgramCache]: Analyzing trace with hash -354451948, now seen corresponding path program 1 times [2024-10-13 02:34:53,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:53,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718684062] [2024-10-13 02:34:53,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:53,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:53,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:53,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718684062] [2024-10-13 02:34:53,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718684062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:53,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:53,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:34:53,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217915206] [2024-10-13 02:34:53,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:53,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:34:53,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:53,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:34:53,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:53,285 INFO L87 Difference]: Start difference. First operand 2790 states and 4046 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:53,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:53,546 INFO L93 Difference]: Finished difference Result 5978 states and 8588 transitions. [2024-10-13 02:34:53,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:34:53,547 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:53,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:53,561 INFO L225 Difference]: With dead ends: 5978 [2024-10-13 02:34:53,561 INFO L226 Difference]: Without dead ends: 3189 [2024-10-13 02:34:53,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:53,567 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 56 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:53,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 378 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:34:53,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2024-10-13 02:34:53,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 2724. [2024-10-13 02:34:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 2559 states have (on average 1.379054318093005) internal successors, (3529), 2567 states have internal predecessors, (3529), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 02:34:53,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 3833 transitions. [2024-10-13 02:34:53,861 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 3833 transitions. Word has length 214 [2024-10-13 02:34:53,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:53,862 INFO L471 AbstractCegarLoop]: Abstraction has 2724 states and 3833 transitions. [2024-10-13 02:34:53,862 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3833 transitions. [2024-10-13 02:34:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 02:34:53,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:53,866 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:53,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-13 02:34:53,866 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:53,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:53,867 INFO L85 PathProgramCache]: Analyzing trace with hash -423755052, now seen corresponding path program 1 times [2024-10-13 02:34:53,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:53,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299340812] [2024-10-13 02:34:53,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:53,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:54,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:54,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299340812] [2024-10-13 02:34:54,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299340812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:54,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:54,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 02:34:54,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284441296] [2024-10-13 02:34:54,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:54,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 02:34:54,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:54,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 02:34:54,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:54,326 INFO L87 Difference]: Start difference. First operand 2724 states and 3833 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:55,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:55,784 INFO L93 Difference]: Finished difference Result 7640 states and 10774 transitions. [2024-10-13 02:34:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:34:55,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-13 02:34:55,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:55,799 INFO L225 Difference]: With dead ends: 7640 [2024-10-13 02:34:55,799 INFO L226 Difference]: Without dead ends: 4917 [2024-10-13 02:34:55,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:34:55,806 INFO L432 NwaCegarLoop]: 406 mSDtfsCounter, 288 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:55,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1329 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 02:34:55,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2024-10-13 02:34:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4378. [2024-10-13 02:34:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 4081 states have (on average 1.3741729968145062) internal successors, (5608), 4089 states have internal predecessors, (5608), 280 states have call successors, (280), 16 states have call predecessors, (280), 16 states have return successors, (280), 272 states have call predecessors, (280), 280 states have call successors, (280) [2024-10-13 02:34:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6168 transitions. [2024-10-13 02:34:56,328 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6168 transitions. Word has length 214 [2024-10-13 02:34:56,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:56,328 INFO L471 AbstractCegarLoop]: Abstraction has 4378 states and 6168 transitions. [2024-10-13 02:34:56,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6168 transitions. [2024-10-13 02:34:56,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-13 02:34:56,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:56,332 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:56,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-13 02:34:56,333 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:56,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:56,333 INFO L85 PathProgramCache]: Analyzing trace with hash -324672416, now seen corresponding path program 1 times [2024-10-13 02:34:56,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:56,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991170537] [2024-10-13 02:34:56,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:56,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:56,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:56,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:56,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991170537] [2024-10-13 02:34:56,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991170537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:56,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:56,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:34:56,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991678565] [2024-10-13 02:34:56,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:56,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:34:56,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:56,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:34:56,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:56,752 INFO L87 Difference]: Start difference. First operand 4378 states and 6168 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:58,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:58,215 INFO L93 Difference]: Finished difference Result 9221 states and 13008 transitions. [2024-10-13 02:34:58,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:34:58,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-13 02:34:58,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:58,231 INFO L225 Difference]: With dead ends: 9221 [2024-10-13 02:34:58,232 INFO L226 Difference]: Without dead ends: 5233 [2024-10-13 02:34:58,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:34:58,239 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 123 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:58,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1009 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:34:58,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5233 states. [2024-10-13 02:34:58,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5233 to 4470. [2024-10-13 02:34:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4470 states, 4173 states have (on average 1.3687994248741913) internal successors, (5712), 4181 states have internal predecessors, (5712), 280 states have call successors, (280), 16 states have call predecessors, (280), 16 states have return successors, (280), 272 states have call predecessors, (280), 280 states have call successors, (280) [2024-10-13 02:34:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4470 states to 4470 states and 6272 transitions. [2024-10-13 02:34:58,753 INFO L78 Accepts]: Start accepts. Automaton has 4470 states and 6272 transitions. Word has length 215 [2024-10-13 02:34:58,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:58,754 INFO L471 AbstractCegarLoop]: Abstraction has 4470 states and 6272 transitions. [2024-10-13 02:34:58,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:34:58,754 INFO L276 IsEmpty]: Start isEmpty. Operand 4470 states and 6272 transitions. [2024-10-13 02:34:58,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-13 02:34:58,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:58,758 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:58,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-13 02:34:58,758 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:58,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:58,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1814354006, now seen corresponding path program 1 times [2024-10-13 02:34:58,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:58,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976466437] [2024-10-13 02:34:58,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:58,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:34:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:34:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:34:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:34:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:34:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:34:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:34:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:34:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:34:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:34:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:34:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:34:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:34:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:34:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:34:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:34:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:34:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:34:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:34:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:34:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:34:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:34:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:34:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:34:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:59,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:34:59,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:59,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976466437] [2024-10-13 02:34:59,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976466437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:59,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:59,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 02:34:59,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897837444] [2024-10-13 02:34:59,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:59,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 02:34:59,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:59,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 02:34:59,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:34:59,233 INFO L87 Difference]: Start difference. First operand 4470 states and 6272 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:00,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:00,401 INFO L93 Difference]: Finished difference Result 9979 states and 13724 transitions. [2024-10-13 02:35:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 02:35:00,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-13 02:35:00,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:00,421 INFO L225 Difference]: With dead ends: 9979 [2024-10-13 02:35:00,421 INFO L226 Difference]: Without dead ends: 6529 [2024-10-13 02:35:00,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-10-13 02:35:00,431 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 372 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:00,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1104 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:35:00,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2024-10-13 02:35:01,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 4506. [2024-10-13 02:35:01,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4506 states, 4209 states have (on average 1.3703967688287004) internal successors, (5768), 4217 states have internal predecessors, (5768), 280 states have call successors, (280), 16 states have call predecessors, (280), 16 states have return successors, (280), 272 states have call predecessors, (280), 280 states have call successors, (280) [2024-10-13 02:35:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4506 states to 4506 states and 6328 transitions. [2024-10-13 02:35:01,172 INFO L78 Accepts]: Start accepts. Automaton has 4506 states and 6328 transitions. Word has length 215 [2024-10-13 02:35:01,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:01,173 INFO L471 AbstractCegarLoop]: Abstraction has 4506 states and 6328 transitions. [2024-10-13 02:35:01,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states and 6328 transitions. [2024-10-13 02:35:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-13 02:35:01,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:01,177 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:01,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 02:35:01,178 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:01,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:01,178 INFO L85 PathProgramCache]: Analyzing trace with hash -824403915, now seen corresponding path program 1 times [2024-10-13 02:35:01,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:01,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326329676] [2024-10-13 02:35:01,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:01,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:02,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:02,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326329676] [2024-10-13 02:35:02,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326329676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:02,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:02,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 02:35:02,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304839721] [2024-10-13 02:35:02,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:02,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 02:35:02,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:02,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 02:35:02,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:35:02,295 INFO L87 Difference]: Start difference. First operand 4506 states and 6328 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:03,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:03,596 INFO L93 Difference]: Finished difference Result 10736 states and 14776 transitions. [2024-10-13 02:35:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 02:35:03,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-13 02:35:03,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:03,613 INFO L225 Difference]: With dead ends: 10736 [2024-10-13 02:35:03,613 INFO L226 Difference]: Without dead ends: 6231 [2024-10-13 02:35:03,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-10-13 02:35:03,625 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 394 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:03,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 968 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:35:03,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2024-10-13 02:35:04,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 4583. [2024-10-13 02:35:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4583 states, 4278 states have (on average 1.3693314633006077) internal successors, (5858), 4286 states have internal predecessors, (5858), 280 states have call successors, (280), 24 states have call predecessors, (280), 24 states have return successors, (280), 272 states have call predecessors, (280), 280 states have call successors, (280) [2024-10-13 02:35:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4583 states and 6418 transitions. [2024-10-13 02:35:04,224 INFO L78 Accepts]: Start accepts. Automaton has 4583 states and 6418 transitions. Word has length 215 [2024-10-13 02:35:04,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:04,225 INFO L471 AbstractCegarLoop]: Abstraction has 4583 states and 6418 transitions. [2024-10-13 02:35:04,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states and 6418 transitions. [2024-10-13 02:35:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-13 02:35:04,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:04,229 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:04,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-13 02:35:04,230 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:04,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:04,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1781619639, now seen corresponding path program 1 times [2024-10-13 02:35:04,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:04,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811876614] [2024-10-13 02:35:04,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:04,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:04,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:04,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811876614] [2024-10-13 02:35:04,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811876614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:04,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:04,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:35:04,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122804001] [2024-10-13 02:35:04,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:04,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:35:04,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:04,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:35:04,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:35:04,394 INFO L87 Difference]: Start difference. First operand 4583 states and 6418 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:05,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:05,467 INFO L93 Difference]: Finished difference Result 12294 states and 17335 transitions. [2024-10-13 02:35:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:35:05,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-13 02:35:05,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:05,486 INFO L225 Difference]: With dead ends: 12294 [2024-10-13 02:35:05,486 INFO L226 Difference]: Without dead ends: 7712 [2024-10-13 02:35:05,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:35:05,495 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 183 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:05,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 721 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:35:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7712 states. [2024-10-13 02:35:06,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7712 to 5875. [2024-10-13 02:35:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5875 states, 5428 states have (on average 1.3647752394988946) internal successors, (7408), 5438 states have internal predecessors, (7408), 412 states have call successors, (412), 34 states have call predecessors, (412), 34 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-13 02:35:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5875 states to 5875 states and 8232 transitions. [2024-10-13 02:35:06,467 INFO L78 Accepts]: Start accepts. Automaton has 5875 states and 8232 transitions. Word has length 215 [2024-10-13 02:35:06,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:06,468 INFO L471 AbstractCegarLoop]: Abstraction has 5875 states and 8232 transitions. [2024-10-13 02:35:06,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 5875 states and 8232 transitions. [2024-10-13 02:35:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-13 02:35:06,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:06,474 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:06,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-13 02:35:06,474 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:06,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:06,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1745502284, now seen corresponding path program 1 times [2024-10-13 02:35:06,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:06,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17799168] [2024-10-13 02:35:06,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:06,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:06,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:06,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17799168] [2024-10-13 02:35:06,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17799168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:06,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:06,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:35:06,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877815987] [2024-10-13 02:35:06,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:06,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:35:06,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:06,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:35:06,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:35:06,784 INFO L87 Difference]: Start difference. First operand 5875 states and 8232 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:07,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:07,806 INFO L93 Difference]: Finished difference Result 11378 states and 15981 transitions. [2024-10-13 02:35:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:35:07,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-13 02:35:07,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:07,818 INFO L225 Difference]: With dead ends: 11378 [2024-10-13 02:35:07,819 INFO L226 Difference]: Without dead ends: 5504 [2024-10-13 02:35:07,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:35:07,829 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 201 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:07,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 693 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:35:07,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2024-10-13 02:35:08,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5430. [2024-10-13 02:35:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5430 states, 4983 states have (on average 1.361830222757375) internal successors, (6786), 4993 states have internal predecessors, (6786), 412 states have call successors, (412), 34 states have call predecessors, (412), 34 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-13 02:35:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5430 states to 5430 states and 7610 transitions. [2024-10-13 02:35:08,557 INFO L78 Accepts]: Start accepts. Automaton has 5430 states and 7610 transitions. Word has length 215 [2024-10-13 02:35:08,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:08,557 INFO L471 AbstractCegarLoop]: Abstraction has 5430 states and 7610 transitions. [2024-10-13 02:35:08,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:08,557 INFO L276 IsEmpty]: Start isEmpty. Operand 5430 states and 7610 transitions. [2024-10-13 02:35:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 02:35:08,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:08,561 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:08,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-13 02:35:08,561 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:08,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:08,561 INFO L85 PathProgramCache]: Analyzing trace with hash -608279561, now seen corresponding path program 1 times [2024-10-13 02:35:08,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:08,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45821329] [2024-10-13 02:35:08,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:08,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:09,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:09,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45821329] [2024-10-13 02:35:09,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45821329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:09,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:09,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 02:35:09,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361808104] [2024-10-13 02:35:09,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:09,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 02:35:09,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:09,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 02:35:09,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:35:09,156 INFO L87 Difference]: Start difference. First operand 5430 states and 7610 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:10,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:10,463 INFO L93 Difference]: Finished difference Result 9831 states and 13505 transitions. [2024-10-13 02:35:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:35:10,463 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 216 [2024-10-13 02:35:10,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:10,477 INFO L225 Difference]: With dead ends: 9831 [2024-10-13 02:35:10,477 INFO L226 Difference]: Without dead ends: 6943 [2024-10-13 02:35:10,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:35:10,484 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 404 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:10,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1249 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 02:35:10,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2024-10-13 02:35:11,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 5490. [2024-10-13 02:35:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5490 states, 5043 states have (on average 1.3603014078921276) internal successors, (6860), 5053 states have internal predecessors, (6860), 412 states have call successors, (412), 34 states have call predecessors, (412), 34 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-13 02:35:11,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5490 states to 5490 states and 7684 transitions. [2024-10-13 02:35:11,141 INFO L78 Accepts]: Start accepts. Automaton has 5490 states and 7684 transitions. Word has length 216 [2024-10-13 02:35:11,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:11,141 INFO L471 AbstractCegarLoop]: Abstraction has 5490 states and 7684 transitions. [2024-10-13 02:35:11,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 5490 states and 7684 transitions. [2024-10-13 02:35:11,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 02:35:11,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:11,145 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:11,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-13 02:35:11,145 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:11,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:11,146 INFO L85 PathProgramCache]: Analyzing trace with hash -983263879, now seen corresponding path program 1 times [2024-10-13 02:35:11,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:11,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525192315] [2024-10-13 02:35:11,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:11,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:12,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:12,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525192315] [2024-10-13 02:35:12,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525192315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:12,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:12,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 02:35:12,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663289836] [2024-10-13 02:35:12,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:12,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 02:35:12,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:12,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 02:35:12,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 02:35:12,297 INFO L87 Difference]: Start difference. First operand 5490 states and 7684 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:13,285 INFO L93 Difference]: Finished difference Result 7819 states and 10923 transitions. [2024-10-13 02:35:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 02:35:13,286 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 216 [2024-10-13 02:35:13,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:13,295 INFO L225 Difference]: With dead ends: 7819 [2024-10-13 02:35:13,295 INFO L226 Difference]: Without dead ends: 5514 [2024-10-13 02:35:13,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:35:13,299 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 114 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:13,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 791 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:35:13,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5514 states. [2024-10-13 02:35:13,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5514 to 5506. [2024-10-13 02:35:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5506 states, 5055 states have (on average 1.3578635014836795) internal successors, (6864), 5065 states have internal predecessors, (6864), 412 states have call successors, (412), 38 states have call predecessors, (412), 38 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-13 02:35:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 7688 transitions. [2024-10-13 02:35:13,930 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 7688 transitions. Word has length 216 [2024-10-13 02:35:13,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:13,931 INFO L471 AbstractCegarLoop]: Abstraction has 5506 states and 7688 transitions. [2024-10-13 02:35:13,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 7688 transitions. [2024-10-13 02:35:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 02:35:13,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:13,935 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:13,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-13 02:35:13,935 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:13,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:13,935 INFO L85 PathProgramCache]: Analyzing trace with hash -187797392, now seen corresponding path program 1 times [2024-10-13 02:35:13,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:13,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138515891] [2024-10-13 02:35:13,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:13,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:14,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:14,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138515891] [2024-10-13 02:35:14,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138515891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:14,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:14,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:35:14,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806735063] [2024-10-13 02:35:14,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:14,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:35:14,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:14,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:35:14,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:35:14,143 INFO L87 Difference]: Start difference. First operand 5506 states and 7688 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:15,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:15,292 INFO L93 Difference]: Finished difference Result 10009 states and 14071 transitions. [2024-10-13 02:35:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:35:15,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 216 [2024-10-13 02:35:15,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:15,305 INFO L225 Difference]: With dead ends: 10009 [2024-10-13 02:35:15,305 INFO L226 Difference]: Without dead ends: 5707 [2024-10-13 02:35:15,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:35:15,311 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 304 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:15,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 595 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:35:15,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5707 states. [2024-10-13 02:35:15,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5707 to 4468. [2024-10-13 02:35:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4468 states, 4017 states have (on average 1.3475230271346776) internal successors, (5413), 4027 states have internal predecessors, (5413), 412 states have call successors, (412), 38 states have call predecessors, (412), 38 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-13 02:35:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 6237 transitions. [2024-10-13 02:35:15,963 INFO L78 Accepts]: Start accepts. Automaton has 4468 states and 6237 transitions. Word has length 216 [2024-10-13 02:35:15,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:15,963 INFO L471 AbstractCegarLoop]: Abstraction has 4468 states and 6237 transitions. [2024-10-13 02:35:15,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4468 states and 6237 transitions. [2024-10-13 02:35:15,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 02:35:15,965 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:15,965 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:15,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-13 02:35:15,965 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:15,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:15,966 INFO L85 PathProgramCache]: Analyzing trace with hash 793428142, now seen corresponding path program 1 times [2024-10-13 02:35:15,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:15,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901327803] [2024-10-13 02:35:15,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:15,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:16,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:16,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901327803] [2024-10-13 02:35:16,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901327803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:16,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:16,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 02:35:16,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017227320] [2024-10-13 02:35:16,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:16,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 02:35:16,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:16,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 02:35:16,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:35:16,331 INFO L87 Difference]: Start difference. First operand 4468 states and 6237 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:17,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:17,338 INFO L93 Difference]: Finished difference Result 8475 states and 11610 transitions. [2024-10-13 02:35:17,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 02:35:17,339 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 216 [2024-10-13 02:35:17,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:17,348 INFO L225 Difference]: With dead ends: 8475 [2024-10-13 02:35:17,348 INFO L226 Difference]: Without dead ends: 5381 [2024-10-13 02:35:17,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:35:17,352 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 111 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:17,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 736 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:35:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5381 states. [2024-10-13 02:35:18,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5381 to 4418. [2024-10-13 02:35:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4418 states, 3967 states have (on average 1.3508948827829594) internal successors, (5359), 3977 states have internal predecessors, (5359), 412 states have call successors, (412), 38 states have call predecessors, (412), 38 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-13 02:35:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 4418 states and 6183 transitions. [2024-10-13 02:35:18,123 INFO L78 Accepts]: Start accepts. Automaton has 4418 states and 6183 transitions. Word has length 216 [2024-10-13 02:35:18,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:18,123 INFO L471 AbstractCegarLoop]: Abstraction has 4418 states and 6183 transitions. [2024-10-13 02:35:18,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:18,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4418 states and 6183 transitions. [2024-10-13 02:35:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 02:35:18,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:18,127 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:18,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-13 02:35:18,128 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:18,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:18,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1854870643, now seen corresponding path program 1 times [2024-10-13 02:35:18,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:18,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500344284] [2024-10-13 02:35:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:18,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:18,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:18,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500344284] [2024-10-13 02:35:18,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500344284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:18,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:18,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 02:35:18,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012585484] [2024-10-13 02:35:18,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:18,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 02:35:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:18,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 02:35:18,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-13 02:35:18,621 INFO L87 Difference]: Start difference. First operand 4418 states and 6183 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:19,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:19,759 INFO L93 Difference]: Finished difference Result 7499 states and 10305 transitions. [2024-10-13 02:35:19,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:35:19,759 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 216 [2024-10-13 02:35:19,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:19,771 INFO L225 Difference]: With dead ends: 7499 [2024-10-13 02:35:19,771 INFO L226 Difference]: Without dead ends: 5263 [2024-10-13 02:35:19,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-10-13 02:35:19,776 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 312 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:19,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1122 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 02:35:19,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5263 states. [2024-10-13 02:35:20,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5263 to 4387. [2024-10-13 02:35:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4387 states, 3936 states have (on average 1.3511178861788617) internal successors, (5318), 3946 states have internal predecessors, (5318), 412 states have call successors, (412), 38 states have call predecessors, (412), 38 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-13 02:35:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 4387 states and 6142 transitions. [2024-10-13 02:35:20,441 INFO L78 Accepts]: Start accepts. Automaton has 4387 states and 6142 transitions. Word has length 216 [2024-10-13 02:35:20,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:20,442 INFO L471 AbstractCegarLoop]: Abstraction has 4387 states and 6142 transitions. [2024-10-13 02:35:20,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-13 02:35:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 4387 states and 6142 transitions. [2024-10-13 02:35:20,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 02:35:20,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:20,444 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:20,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-13 02:35:20,444 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:20,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:20,445 INFO L85 PathProgramCache]: Analyzing trace with hash 479610949, now seen corresponding path program 1 times [2024-10-13 02:35:20,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:20,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192563807] [2024-10-13 02:35:20,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:20,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:20,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:20,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192563807] [2024-10-13 02:35:20,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192563807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:20,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:20,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:35:20,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197720432] [2024-10-13 02:35:20,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:20,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:35:20,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:20,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:35:20,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:35:20,850 INFO L87 Difference]: Start difference. First operand 4387 states and 6142 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-13 02:35:21,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:35:21,967 INFO L93 Difference]: Finished difference Result 8044 states and 11181 transitions. [2024-10-13 02:35:21,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:35:21,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 216 [2024-10-13 02:35:21,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:35:21,978 INFO L225 Difference]: With dead ends: 8044 [2024-10-13 02:35:21,978 INFO L226 Difference]: Without dead ends: 4857 [2024-10-13 02:35:21,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:35:21,983 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 283 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:35:21,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 747 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:35:21,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4857 states. [2024-10-13 02:35:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4857 to 4427. [2024-10-13 02:35:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4427 states, 3976 states have (on average 1.3506036217303823) internal successors, (5370), 3986 states have internal predecessors, (5370), 412 states have call successors, (412), 38 states have call predecessors, (412), 38 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-13 02:35:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 4427 states and 6194 transitions. [2024-10-13 02:35:22,653 INFO L78 Accepts]: Start accepts. Automaton has 4427 states and 6194 transitions. Word has length 216 [2024-10-13 02:35:22,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:35:22,654 INFO L471 AbstractCegarLoop]: Abstraction has 4427 states and 6194 transitions. [2024-10-13 02:35:22,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-13 02:35:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4427 states and 6194 transitions. [2024-10-13 02:35:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 02:35:22,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:35:22,657 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:35:22,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-13 02:35:22,657 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:35:22,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:35:22,657 INFO L85 PathProgramCache]: Analyzing trace with hash -338037501, now seen corresponding path program 1 times [2024-10-13 02:35:22,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:35:22,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245799065] [2024-10-13 02:35:22,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:35:22,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:35:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:35:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:35:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:35:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:35:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:35:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:35:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:35:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 02:35:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 02:35:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 02:35:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 02:35:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 02:35:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 02:35:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 02:35:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 02:35:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 02:35:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 02:35:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 02:35:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 02:35:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 02:35:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 02:35:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 02:35:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 02:35:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:35:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:35:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:35:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:35:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:35:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:35:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:35:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:35:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:35:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:35:22,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-13 02:35:22,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:35:22,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245799065] [2024-10-13 02:35:22,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245799065] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:35:22,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:35:22,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:35:22,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715062892] [2024-10-13 02:35:22,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:35:22,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:35:22,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:35:22,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:35:22,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:35:22,949 INFO L87 Difference]: Start difference. First operand 4427 states and 6194 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32)