./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-52.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-52.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 65e290fb975399bc2cc283273eaab9fa300db5fe57e6fb279b59522887532a83 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:32:56,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:32:56,151 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:32:56,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:32:56,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:32:56,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:32:56,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:32:56,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:32:56,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:32:56,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:32:56,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:32:56,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:32:56,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:32:56,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:32:56,214 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:32:56,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:32:56,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:32:56,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:32:56,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:32:56,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:32:56,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:32:56,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:32:56,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:32:56,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:32:56,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:32:56,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:32:56,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:32:56,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:32:56,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:32:56,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:32:56,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:32:56,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:32:56,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:32:56,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:32:56,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:32:56,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:32:56,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:32:56,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:32:56,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:32:56,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:32:56,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:32:56,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:32:56,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65e290fb975399bc2cc283273eaab9fa300db5fe57e6fb279b59522887532a83 [2024-10-13 02:32:56,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:32:56,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:32:56,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:32:56,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:32:56,473 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:32:56,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-10-13 02:32:57,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:32:58,029 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:32:58,029 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-10-13 02:32:58,036 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b8dd2b97/c1d2f0a22a3347a19e7ebc3ebcd01913/FLAG58fc1e235 [2024-10-13 02:32:58,049 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b8dd2b97/c1d2f0a22a3347a19e7ebc3ebcd01913 [2024-10-13 02:32:58,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:32:58,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:32:58,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:32:58,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:32:58,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:32:58,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2addd577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58, skipping insertion in model container [2024-10-13 02:32:58,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:32:58,222 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-52.i[919,932] [2024-10-13 02:32:58,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:32:58,293 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:32:58,306 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-52.i[919,932] [2024-10-13 02:32:58,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:32:58,376 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:32:58,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58 WrapperNode [2024-10-13 02:32:58,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:32:58,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:32:58,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:32:58,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:32:58,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,431 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2024-10-13 02:32:58,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:32:58,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:32:58,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:32:58,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:32:58,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,444 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,469 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 02:32:58,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:32:58,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:32:58,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:32:58,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:32:58,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (1/1) ... [2024-10-13 02:32:58,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:32:58,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:32:58,538 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 02:32:58,543 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 02:32:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:32:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:32:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:32:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:32:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:32:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:32:58,670 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:32:58,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:32:58,984 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-13 02:32:58,985 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:32:59,034 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:32:59,035 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:32:59,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:32:59 BoogieIcfgContainer [2024-10-13 02:32:59,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:32:59,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:32:59,039 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:32:59,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:32:59,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:32:58" (1/3) ... [2024-10-13 02:32:59,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7ec1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:32:59, skipping insertion in model container [2024-10-13 02:32:59,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:32:58" (2/3) ... [2024-10-13 02:32:59,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7ec1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:32:59, skipping insertion in model container [2024-10-13 02:32:59,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:32:59" (3/3) ... [2024-10-13 02:32:59,045 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-10-13 02:32:59,058 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:32:59,058 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:32:59,120 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:32:59,125 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;@73285cab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:32:59,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:32:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 56 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 02:32:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 02:32:59,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:32:59,143 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:32:59,143 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:32:59,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:32:59,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1507164284, now seen corresponding path program 1 times [2024-10-13 02:32:59,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:32:59,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761461048] [2024-10-13 02:32:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:32:59,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:32:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:32:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:32:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:32:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:32:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:32:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:32:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:32:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:32:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:32:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:32:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:32:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:32:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:32:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:32:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:32:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:32:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:32:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:32:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:32:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:32:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:32:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:32:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:32:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:32:59,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:32:59,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761461048] [2024-10-13 02:32:59,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761461048] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:32:59,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:32:59,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:32:59,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273978281] [2024-10-13 02:32:59,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:32:59,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:32:59,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:32:59,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:32:59,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:32:59,637 INFO L87 Difference]: Start difference. First operand has 80 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 56 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 02:32:59,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:32:59,666 INFO L93 Difference]: Finished difference Result 157 states and 276 transitions. [2024-10-13 02:32:59,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:32:59,669 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-10-13 02:32:59,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:32:59,675 INFO L225 Difference]: With dead ends: 157 [2024-10-13 02:32:59,675 INFO L226 Difference]: Without dead ends: 78 [2024-10-13 02:32:59,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:32:59,680 INFO L432 NwaCegarLoop]: 120 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, 120 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 02:32:59,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:32:59,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-13 02:32:59,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-13 02:32:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 02:32:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 123 transitions. [2024-10-13 02:32:59,714 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 123 transitions. Word has length 147 [2024-10-13 02:32:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:32:59,714 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 123 transitions. [2024-10-13 02:32:59,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 02:32:59,715 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2024-10-13 02:32:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 02:32:59,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:32:59,717 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:32:59,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:32:59,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:32:59,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:32:59,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1446440524, now seen corresponding path program 1 times [2024-10-13 02:32:59,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:32:59,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769922548] [2024-10-13 02:32:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:32:59,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:32:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:00,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:00,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769922548] [2024-10-13 02:33:00,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769922548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:00,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:00,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:33:00,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410393238] [2024-10-13 02:33:00,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:00,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:33:00,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:00,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:33:00,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:33:00,191 INFO L87 Difference]: Start difference. First operand 78 states and 123 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:00,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:00,281 INFO L93 Difference]: Finished difference Result 228 states and 363 transitions. [2024-10-13 02:33:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:33:00,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2024-10-13 02:33:00,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:00,284 INFO L225 Difference]: With dead ends: 228 [2024-10-13 02:33:00,284 INFO L226 Difference]: Without dead ends: 151 [2024-10-13 02:33:00,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:33:00,291 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 71 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:00,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 218 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:33:00,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-13 02:33:00,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 132. [2024-10-13 02:33:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 85 states have (on average 1.4) internal successors, (119), 85 states have internal predecessors, (119), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-13 02:33:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 207 transitions. [2024-10-13 02:33:00,328 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 207 transitions. Word has length 147 [2024-10-13 02:33:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:00,328 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 207 transitions. [2024-10-13 02:33:00,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2024-10-13 02:33:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-13 02:33:00,330 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:00,330 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:00,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:33:00,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:00,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:00,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1628506987, now seen corresponding path program 1 times [2024-10-13 02:33:00,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:00,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881085974] [2024-10-13 02:33:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:00,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:00,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:00,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881085974] [2024-10-13 02:33:00,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881085974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:00,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:00,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:33:00,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178171169] [2024-10-13 02:33:00,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:00,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:33:00,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:00,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:33:00,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:33:00,920 INFO L87 Difference]: Start difference. First operand 132 states and 207 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:00,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:00,995 INFO L93 Difference]: Finished difference Result 293 states and 464 transitions. [2024-10-13 02:33:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:33:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2024-10-13 02:33:00,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:00,999 INFO L225 Difference]: With dead ends: 293 [2024-10-13 02:33:00,999 INFO L226 Difference]: Without dead ends: 208 [2024-10-13 02:33:01,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:33:01,004 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 82 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:01,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 225 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:33:01,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-13 02:33:01,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2024-10-13 02:33:01,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 136 states have (on average 1.4191176470588236) internal successors, (193), 136 states have internal predecessors, (193), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 325 transitions. [2024-10-13 02:33:01,042 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 325 transitions. Word has length 148 [2024-10-13 02:33:01,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:01,043 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 325 transitions. [2024-10-13 02:33:01,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:01,043 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 325 transitions. [2024-10-13 02:33:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-13 02:33:01,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:01,050 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:01,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:33:01,050 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:01,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:01,051 INFO L85 PathProgramCache]: Analyzing trace with hash -854753648, now seen corresponding path program 1 times [2024-10-13 02:33:01,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:01,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149442946] [2024-10-13 02:33:01,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:01,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:02,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:02,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149442946] [2024-10-13 02:33:02,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149442946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:02,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:02,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 02:33:02,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410278353] [2024-10-13 02:33:02,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:02,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 02:33:02,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:02,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 02:33:02,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 02:33:02,291 INFO L87 Difference]: Start difference. First operand 206 states and 325 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:02,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:02,629 INFO L93 Difference]: Finished difference Result 427 states and 681 transitions. [2024-10-13 02:33:02,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:33:02,629 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 149 [2024-10-13 02:33:02,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:02,633 INFO L225 Difference]: With dead ends: 427 [2024-10-13 02:33:02,633 INFO L226 Difference]: Without dead ends: 266 [2024-10-13 02:33:02,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-10-13 02:33:02,636 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 158 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:02,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 479 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:33:02,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-13 02:33:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 206. [2024-10-13 02:33:02,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 136 states have (on average 1.411764705882353) internal successors, (192), 136 states have internal predecessors, (192), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 324 transitions. [2024-10-13 02:33:02,679 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 324 transitions. Word has length 149 [2024-10-13 02:33:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:02,679 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 324 transitions. [2024-10-13 02:33:02,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 324 transitions. [2024-10-13 02:33:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-13 02:33:02,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:02,684 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:02,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:33:02,684 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:02,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:02,685 INFO L85 PathProgramCache]: Analyzing trace with hash 2020231667, now seen corresponding path program 1 times [2024-10-13 02:33:02,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:02,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022745316] [2024-10-13 02:33:02,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:03,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:03,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022745316] [2024-10-13 02:33:03,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022745316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:03,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:03,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 02:33:03,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733671863] [2024-10-13 02:33:03,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:03,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 02:33:03,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:03,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 02:33:03,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:33:03,154 INFO L87 Difference]: Start difference. First operand 206 states and 324 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:03,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:03,402 INFO L93 Difference]: Finished difference Result 422 states and 672 transitions. [2024-10-13 02:33:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:33:03,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-13 02:33:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:03,404 INFO L225 Difference]: With dead ends: 422 [2024-10-13 02:33:03,404 INFO L226 Difference]: Without dead ends: 271 [2024-10-13 02:33:03,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:33:03,406 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 193 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:03,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 326 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:33:03,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-13 02:33:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 232. [2024-10-13 02:33:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 162 states have (on average 1.4197530864197532) internal successors, (230), 162 states have internal predecessors, (230), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 362 transitions. [2024-10-13 02:33:03,429 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 362 transitions. Word has length 151 [2024-10-13 02:33:03,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:03,429 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 362 transitions. [2024-10-13 02:33:03,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 362 transitions. [2024-10-13 02:33:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-13 02:33:03,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:03,430 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:03,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:33:03,431 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:03,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:03,431 INFO L85 PathProgramCache]: Analyzing trace with hash 999163313, now seen corresponding path program 1 times [2024-10-13 02:33:03,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:03,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779617077] [2024-10-13 02:33:03,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:03,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:03,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:03,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779617077] [2024-10-13 02:33:03,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779617077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:03,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:03,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:33:03,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440933497] [2024-10-13 02:33:03,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:03,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:33:03,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:03,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:33:03,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:33:03,745 INFO L87 Difference]: Start difference. First operand 232 states and 362 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:04,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:04,002 INFO L93 Difference]: Finished difference Result 615 states and 971 transitions. [2024-10-13 02:33:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:33:04,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-13 02:33:04,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:04,006 INFO L225 Difference]: With dead ends: 615 [2024-10-13 02:33:04,006 INFO L226 Difference]: Without dead ends: 463 [2024-10-13 02:33:04,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 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 02:33:04,011 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 194 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:04,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 537 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:33:04,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-13 02:33:04,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 267. [2024-10-13 02:33:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 197 states have (on average 1.4314720812182742) internal successors, (282), 197 states have internal predecessors, (282), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 414 transitions. [2024-10-13 02:33:04,036 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 414 transitions. Word has length 151 [2024-10-13 02:33:04,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:04,037 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 414 transitions. [2024-10-13 02:33:04,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 414 transitions. [2024-10-13 02:33:04,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-13 02:33:04,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:04,038 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:04,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 02:33:04,039 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:04,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:04,039 INFO L85 PathProgramCache]: Analyzing trace with hash 172501235, now seen corresponding path program 1 times [2024-10-13 02:33:04,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:04,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306561691] [2024-10-13 02:33:04,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:04,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:04,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:04,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306561691] [2024-10-13 02:33:04,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306561691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:04,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:04,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:33:04,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252124913] [2024-10-13 02:33:04,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:04,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:33:04,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:04,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:33:04,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:33:04,128 INFO L87 Difference]: Start difference. First operand 267 states and 414 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:04,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:04,178 INFO L93 Difference]: Finished difference Result 593 states and 924 transitions. [2024-10-13 02:33:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:33:04,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-13 02:33:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:04,181 INFO L225 Difference]: With dead ends: 593 [2024-10-13 02:33:04,181 INFO L226 Difference]: Without dead ends: 409 [2024-10-13 02:33:04,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:33:04,182 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 92 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:04,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 314 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:33:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-10-13 02:33:04,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 286. [2024-10-13 02:33:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 216 states have (on average 1.4259259259259258) internal successors, (308), 216 states have internal predecessors, (308), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:04,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 440 transitions. [2024-10-13 02:33:04,213 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 440 transitions. Word has length 151 [2024-10-13 02:33:04,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:04,214 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 440 transitions. [2024-10-13 02:33:04,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:04,214 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 440 transitions. [2024-10-13 02:33:04,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-13 02:33:04,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:04,215 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:04,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 02:33:04,215 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:04,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:04,216 INFO L85 PathProgramCache]: Analyzing trace with hash -848567119, now seen corresponding path program 1 times [2024-10-13 02:33:04,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:04,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393698951] [2024-10-13 02:33:04,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:04,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:04,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:04,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393698951] [2024-10-13 02:33:04,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393698951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:04,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:04,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:33:04,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140720967] [2024-10-13 02:33:04,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:04,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:33:04,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:04,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:33:04,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:33:04,514 INFO L87 Difference]: Start difference. First operand 286 states and 440 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:04,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:04,752 INFO L93 Difference]: Finished difference Result 585 states and 906 transitions. [2024-10-13 02:33:04,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:33:04,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-13 02:33:04,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:04,756 INFO L225 Difference]: With dead ends: 585 [2024-10-13 02:33:04,757 INFO L226 Difference]: Without dead ends: 358 [2024-10-13 02:33:04,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:33:04,758 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 151 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:04,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 375 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:33:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-10-13 02:33:04,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 303. [2024-10-13 02:33:04,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 233 states have (on average 1.4248927038626609) internal successors, (332), 233 states have internal predecessors, (332), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:04,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 464 transitions. [2024-10-13 02:33:04,785 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 464 transitions. Word has length 151 [2024-10-13 02:33:04,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:04,785 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 464 transitions. [2024-10-13 02:33:04,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:04,786 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 464 transitions. [2024-10-13 02:33:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-13 02:33:04,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:04,787 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:04,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 02:33:04,787 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:04,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:04,788 INFO L85 PathProgramCache]: Analyzing trace with hash 517250105, now seen corresponding path program 1 times [2024-10-13 02:33:04,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:04,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880695710] [2024-10-13 02:33:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:04,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:10,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:10,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880695710] [2024-10-13 02:33:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880695710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:10,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:10,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 02:33:10,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070505609] [2024-10-13 02:33:10,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:10,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 02:33:10,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:10,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 02:33:10,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-10-13 02:33:10,958 INFO L87 Difference]: Start difference. First operand 303 states and 464 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:12,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:12,144 INFO L93 Difference]: Finished difference Result 623 states and 951 transitions. [2024-10-13 02:33:12,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:33:12,145 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 152 [2024-10-13 02:33:12,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:12,147 INFO L225 Difference]: With dead ends: 623 [2024-10-13 02:33:12,147 INFO L226 Difference]: Without dead ends: 405 [2024-10-13 02:33:12,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2024-10-13 02:33:12,149 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 464 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:12,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 523 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 02:33:12,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-13 02:33:12,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 326. [2024-10-13 02:33:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 255 states have (on average 1.407843137254902) internal successors, (359), 255 states have internal predecessors, (359), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:12,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 491 transitions. [2024-10-13 02:33:12,175 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 491 transitions. Word has length 152 [2024-10-13 02:33:12,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:12,175 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 491 transitions. [2024-10-13 02:33:12,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 491 transitions. [2024-10-13 02:33:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-13 02:33:12,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:12,178 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:12,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 02:33:12,178 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:12,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:12,178 INFO L85 PathProgramCache]: Analyzing trace with hash 7777015, now seen corresponding path program 1 times [2024-10-13 02:33:12,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:12,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584515697] [2024-10-13 02:33:12,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:12,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:12,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:12,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584515697] [2024-10-13 02:33:12,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584515697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:12,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:12,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:33:12,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494643229] [2024-10-13 02:33:12,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:12,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:33:12,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:12,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:33:12,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:33:12,302 INFO L87 Difference]: Start difference. First operand 326 states and 491 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:12,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:12,412 INFO L93 Difference]: Finished difference Result 516 states and 785 transitions. [2024-10-13 02:33:12,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:33:12,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-13 02:33:12,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:12,416 INFO L225 Difference]: With dead ends: 516 [2024-10-13 02:33:12,416 INFO L226 Difference]: Without dead ends: 266 [2024-10-13 02:33:12,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:33:12,417 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 139 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:12,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 181 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:33:12,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-13 02:33:12,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-10-13 02:33:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 195 states have (on average 1.353846153846154) internal successors, (264), 195 states have internal predecessors, (264), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 396 transitions. [2024-10-13 02:33:12,435 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 396 transitions. Word has length 152 [2024-10-13 02:33:12,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:12,435 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 396 transitions. [2024-10-13 02:33:12,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 396 transitions. [2024-10-13 02:33:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-13 02:33:12,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:12,437 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:12,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 02:33:12,438 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:12,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:12,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1670520758, now seen corresponding path program 1 times [2024-10-13 02:33:12,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:12,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782858980] [2024-10-13 02:33:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:12,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:12,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:12,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782858980] [2024-10-13 02:33:12,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782858980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:12,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:12,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:33:12,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546852996] [2024-10-13 02:33:12,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:12,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:33:12,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:12,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:33:12,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:33:12,796 INFO L87 Difference]: Start difference. First operand 266 states and 396 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:12,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:12,904 INFO L93 Difference]: Finished difference Result 523 states and 781 transitions. [2024-10-13 02:33:12,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:33:12,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-10-13 02:33:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:12,906 INFO L225 Difference]: With dead ends: 523 [2024-10-13 02:33:12,906 INFO L226 Difference]: Without dead ends: 355 [2024-10-13 02:33:12,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:33:12,908 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 120 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:12,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 308 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:33:12,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-13 02:33:12,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 306. [2024-10-13 02:33:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 232 states have (on average 1.331896551724138) internal successors, (309), 232 states have internal predecessors, (309), 66 states have call successors, (66), 7 states have call predecessors, (66), 7 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 441 transitions. [2024-10-13 02:33:12,928 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 441 transitions. Word has length 153 [2024-10-13 02:33:12,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:12,929 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 441 transitions. [2024-10-13 02:33:12,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:12,929 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 441 transitions. [2024-10-13 02:33:12,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-13 02:33:12,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:12,931 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:12,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 02:33:12,931 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:12,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:12,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1850685308, now seen corresponding path program 1 times [2024-10-13 02:33:12,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:12,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424178688] [2024-10-13 02:33:12,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:12,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:13,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:13,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424178688] [2024-10-13 02:33:13,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424178688] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:13,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:13,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:33:13,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816044294] [2024-10-13 02:33:13,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:13,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:33:13,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:13,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:33:13,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:33:13,065 INFO L87 Difference]: Start difference. First operand 306 states and 441 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 02:33:13,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:13,298 INFO L93 Difference]: Finished difference Result 662 states and 951 transitions. [2024-10-13 02:33:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:33:13,299 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 154 [2024-10-13 02:33:13,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:13,301 INFO L225 Difference]: With dead ends: 662 [2024-10-13 02:33:13,302 INFO L226 Difference]: Without dead ends: 439 [2024-10-13 02:33:13,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:33:13,302 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 386 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:13,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 206 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:33:13,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-13 02:33:13,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 316. [2024-10-13 02:33:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 240 states have (on average 1.3166666666666667) internal successors, (316), 240 states have internal predecessors, (316), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 448 transitions. [2024-10-13 02:33:13,324 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 448 transitions. Word has length 154 [2024-10-13 02:33:13,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:13,324 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 448 transitions. [2024-10-13 02:33:13,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 02:33:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 448 transitions. [2024-10-13 02:33:13,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-13 02:33:13,325 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:13,326 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:13,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 02:33:13,326 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:13,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:13,326 INFO L85 PathProgramCache]: Analyzing trace with hash 829616954, now seen corresponding path program 1 times [2024-10-13 02:33:13,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:13,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683814579] [2024-10-13 02:33:13,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:13,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:24,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:24,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683814579] [2024-10-13 02:33:24,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683814579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:24,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:24,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 02:33:24,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672268738] [2024-10-13 02:33:24,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:24,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 02:33:24,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:24,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 02:33:24,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-10-13 02:33:24,391 INFO L87 Difference]: Start difference. First operand 316 states and 448 transitions. Second operand has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:27,655 INFO L93 Difference]: Finished difference Result 579 states and 818 transitions. [2024-10-13 02:33:27,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 02:33:27,660 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 154 [2024-10-13 02:33:27,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:27,662 INFO L225 Difference]: With dead ends: 579 [2024-10-13 02:33:27,662 INFO L226 Difference]: Without dead ends: 364 [2024-10-13 02:33:27,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2024-10-13 02:33:27,664 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 677 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:27,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 533 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 02:33:27,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-13 02:33:27,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 322. [2024-10-13 02:33:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 246 states have (on average 1.3048780487804879) internal successors, (321), 246 states have internal predecessors, (321), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 453 transitions. [2024-10-13 02:33:27,690 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 453 transitions. Word has length 154 [2024-10-13 02:33:27,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:27,690 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 453 transitions. [2024-10-13 02:33:27,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 453 transitions. [2024-10-13 02:33:27,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-13 02:33:27,691 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:27,692 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:27,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 02:33:27,692 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:27,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:27,692 INFO L85 PathProgramCache]: Analyzing trace with hash -308206475, now seen corresponding path program 1 times [2024-10-13 02:33:27,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:27,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549690719] [2024-10-13 02:33:27,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:27,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:30,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:30,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549690719] [2024-10-13 02:33:30,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549690719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:30,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:30,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 02:33:30,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408919023] [2024-10-13 02:33:30,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:30,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 02:33:30,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 02:33:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:33:30,315 INFO L87 Difference]: Start difference. First operand 322 states and 453 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:31,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:31,093 INFO L93 Difference]: Finished difference Result 646 states and 919 transitions. [2024-10-13 02:33:31,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 02:33:31,094 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-10-13 02:33:31,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:31,097 INFO L225 Difference]: With dead ends: 646 [2024-10-13 02:33:31,097 INFO L226 Difference]: Without dead ends: 436 [2024-10-13 02:33:31,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2024-10-13 02:33:31,098 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 233 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:31,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 264 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 02:33:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-13 02:33:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 382. [2024-10-13 02:33:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 306 states have (on average 1.3202614379084967) internal successors, (404), 306 states have internal predecessors, (404), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 536 transitions. [2024-10-13 02:33:31,146 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 536 transitions. Word has length 154 [2024-10-13 02:33:31,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:31,146 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 536 transitions. [2024-10-13 02:33:31,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:31,146 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 536 transitions. [2024-10-13 02:33:31,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-13 02:33:31,147 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:31,147 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:31,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 02:33:31,148 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:31,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:31,148 INFO L85 PathProgramCache]: Analyzing trace with hash 861382903, now seen corresponding path program 1 times [2024-10-13 02:33:31,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:31,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724209644] [2024-10-13 02:33:31,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:31,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:33,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:33,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724209644] [2024-10-13 02:33:33,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724209644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:33,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:33,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 02:33:33,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208016733] [2024-10-13 02:33:33,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:33,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 02:33:33,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:33,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 02:33:33,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:33:33,107 INFO L87 Difference]: Start difference. First operand 382 states and 536 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:33,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:33,605 INFO L93 Difference]: Finished difference Result 676 states and 951 transitions. [2024-10-13 02:33:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:33:33,606 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 154 [2024-10-13 02:33:33,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:33,608 INFO L225 Difference]: With dead ends: 676 [2024-10-13 02:33:33,608 INFO L226 Difference]: Without dead ends: 393 [2024-10-13 02:33:33,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:33:33,609 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 217 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:33,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 596 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 02:33:33,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-10-13 02:33:33,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 367. [2024-10-13 02:33:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 291 states have (on average 1.3195876288659794) internal successors, (384), 291 states have internal predecessors, (384), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:33,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 516 transitions. [2024-10-13 02:33:33,633 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 516 transitions. Word has length 154 [2024-10-13 02:33:33,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:33,633 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 516 transitions. [2024-10-13 02:33:33,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 516 transitions. [2024-10-13 02:33:33,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-13 02:33:33,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:33,634 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:33,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 02:33:33,634 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:33,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:33,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1439153630, now seen corresponding path program 1 times [2024-10-13 02:33:33,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:33,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562040817] [2024-10-13 02:33:33,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:33,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:42,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:42,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562040817] [2024-10-13 02:33:42,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562040817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:42,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:42,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-13 02:33:42,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534184137] [2024-10-13 02:33:42,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:42,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 02:33:42,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 02:33:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-10-13 02:33:42,401 INFO L87 Difference]: Start difference. First operand 367 states and 516 transitions. Second operand has 18 states, 17 states have (on average 2.823529411764706) internal successors, (48), 18 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:44,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:44,669 INFO L93 Difference]: Finished difference Result 675 states and 947 transitions. [2024-10-13 02:33:44,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 02:33:44,670 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.823529411764706) internal successors, (48), 18 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 155 [2024-10-13 02:33:44,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:44,672 INFO L225 Difference]: With dead ends: 675 [2024-10-13 02:33:44,672 INFO L226 Difference]: Without dead ends: 402 [2024-10-13 02:33:44,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 47 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870 [2024-10-13 02:33:44,673 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 534 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:44,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 707 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 02:33:44,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-10-13 02:33:44,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 364. [2024-10-13 02:33:44,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 288 states have (on average 1.3125) internal successors, (378), 288 states have internal predecessors, (378), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 510 transitions. [2024-10-13 02:33:44,707 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 510 transitions. Word has length 155 [2024-10-13 02:33:44,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:44,707 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 510 transitions. [2024-10-13 02:33:44,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.823529411764706) internal successors, (48), 18 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-13 02:33:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 510 transitions. [2024-10-13 02:33:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-13 02:33:44,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:44,708 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:44,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 02:33:44,708 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:44,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:44,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1109347149, now seen corresponding path program 1 times [2024-10-13 02:33:44,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:44,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733201102] [2024-10-13 02:33:44,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 02:33:45,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:45,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733201102] [2024-10-13 02:33:45,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733201102] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:45,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:45,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:33:45,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161208118] [2024-10-13 02:33:45,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:45,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:33:45,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:45,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:33:45,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:33:45,095 INFO L87 Difference]: Start difference. First operand 364 states and 510 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:45,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:45,217 INFO L93 Difference]: Finished difference Result 682 states and 963 transitions. [2024-10-13 02:33:45,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:33:45,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 156 [2024-10-13 02:33:45,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:45,220 INFO L225 Difference]: With dead ends: 682 [2024-10-13 02:33:45,220 INFO L226 Difference]: Without dead ends: 412 [2024-10-13 02:33:45,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:33:45,221 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 79 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:45,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 306 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:33:45,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-13 02:33:45,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 375. [2024-10-13 02:33:45,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 299 states have (on average 1.3010033444816054) internal successors, (389), 299 states have internal predecessors, (389), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 521 transitions. [2024-10-13 02:33:45,252 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 521 transitions. Word has length 156 [2024-10-13 02:33:45,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:45,252 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 521 transitions. [2024-10-13 02:33:45,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 521 transitions. [2024-10-13 02:33:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-13 02:33:45,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:45,254 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:33:45,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 02:33:45,254 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:45,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2102946196, now seen corresponding path program 1 times [2024-10-13 02:33:45,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:45,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551036475] [2024-10-13 02:33:45,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:33:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:33:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:33:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:33:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:33:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:33:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:33:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:33:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:33:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:33:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:33:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:33:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:33:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:33:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:33:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:33:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:33:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:33:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:33:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 02:33:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 02:33:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-13 02:33:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3841 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3821 trivial. 0 not checked. [2024-10-13 02:33:45,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:45,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551036475] [2024-10-13 02:33:45,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551036475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:45,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:33:45,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:33:45,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895481552] [2024-10-13 02:33:45,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:45,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:33:45,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:45,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:33:45,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:33:45,609 INFO L87 Difference]: Start difference. First operand 375 states and 521 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:45,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:45,847 INFO L93 Difference]: Finished difference Result 834 states and 1168 transitions. [2024-10-13 02:33:45,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:33:45,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 301 [2024-10-13 02:33:45,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:45,850 INFO L225 Difference]: With dead ends: 834 [2024-10-13 02:33:45,851 INFO L226 Difference]: Without dead ends: 553 [2024-10-13 02:33:45,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 02:33:45,852 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 248 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:45,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 582 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:33:45,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-10-13 02:33:45,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 394. [2024-10-13 02:33:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 318 states have (on average 1.2955974842767295) internal successors, (412), 318 states have internal predecessors, (412), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 544 transitions. [2024-10-13 02:33:45,882 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 544 transitions. Word has length 301 [2024-10-13 02:33:45,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:45,883 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 544 transitions. [2024-10-13 02:33:45,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 544 transitions. [2024-10-13 02:33:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-13 02:33:45,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:45,885 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 02:33:45,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 02:33:45,885 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:45,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:45,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1489152660, now seen corresponding path program 1 times [2024-10-13 02:33:45,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:45,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010409186] [2024-10-13 02:33:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:45,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:33:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:33:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:33:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:33:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:33:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:33:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:33:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:33:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:33:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:33:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:33:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:33:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:33:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:33:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:33:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:33:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:33:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:33:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:33:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 02:33:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 02:33:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-13 02:33:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:33:49,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:49,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010409186] [2024-10-13 02:33:49,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010409186] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 02:33:49,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881389438] [2024-10-13 02:33:49,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:49,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 02:33:49,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:33:49,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 02:33:49,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 02:33:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:49,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 02:33:49,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 02:33:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3821 trivial. 0 not checked. [2024-10-13 02:33:49,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 02:33:49,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881389438] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:33:49,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 02:33:49,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [21] total 23 [2024-10-13 02:33:49,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638198388] [2024-10-13 02:33:49,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:33:49,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:33:49,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:49,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:33:49,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-10-13 02:33:49,471 INFO L87 Difference]: Start difference. First operand 394 states and 544 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:49,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:49,603 INFO L93 Difference]: Finished difference Result 643 states and 889 transitions. [2024-10-13 02:33:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:33:49,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 301 [2024-10-13 02:33:49,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:49,606 INFO L225 Difference]: With dead ends: 643 [2024-10-13 02:33:49,606 INFO L226 Difference]: Without dead ends: 333 [2024-10-13 02:33:49,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 392 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-10-13 02:33:49,607 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 106 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:49,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 340 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:33:49,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-10-13 02:33:49,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2024-10-13 02:33:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 257 states have internal predecessors, (321), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:33:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 453 transitions. [2024-10-13 02:33:49,634 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 453 transitions. Word has length 301 [2024-10-13 02:33:49,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:49,634 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 453 transitions. [2024-10-13 02:33:49,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 02:33:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 453 transitions. [2024-10-13 02:33:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-13 02:33:49,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:49,636 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:49,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 02:33:49,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 02:33:49,838 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:49,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:49,838 INFO L85 PathProgramCache]: Analyzing trace with hash -445195497, now seen corresponding path program 1 times [2024-10-13 02:33:49,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:49,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339256680] [2024-10-13 02:33:49,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:49,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:33:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:33:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:33:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:33:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:33:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:33:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:33:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:33:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:33:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:33:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:33:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:33:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:33:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:33:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:33:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:33:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:33:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:33:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:33:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 02:33:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 02:33:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-13 02:33:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:33:52,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:52,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339256680] [2024-10-13 02:33:52,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339256680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 02:33:52,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882603116] [2024-10-13 02:33:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:52,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 02:33:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:33:52,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 02:33:52,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 02:33:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:52,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 02:33:52,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 02:33:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 400 proven. 1829 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2024-10-13 02:33:53,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 02:33:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 31 proven. 157 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-10-13 02:33:53,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882603116] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 02:33:53,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 02:33:53,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6, 6] total 26 [2024-10-13 02:33:53,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823728057] [2024-10-13 02:33:53,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 02:33:53,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-13 02:33:53,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:33:53,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-13 02:33:53,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2024-10-13 02:33:53,746 INFO L87 Difference]: Start difference. First operand 333 states and 453 transitions. Second operand has 26 states, 25 states have (on average 9.0) internal successors, (225), 26 states have internal predecessors, (225), 10 states have call successors, (129), 3 states have call predecessors, (129), 5 states have return successors, (130), 9 states have call predecessors, (130), 10 states have call successors, (130) [2024-10-13 02:33:55,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:33:55,232 INFO L93 Difference]: Finished difference Result 712 states and 951 transitions. [2024-10-13 02:33:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-13 02:33:55,233 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.0) internal successors, (225), 26 states have internal predecessors, (225), 10 states have call successors, (129), 3 states have call predecessors, (129), 5 states have return successors, (130), 9 states have call predecessors, (130), 10 states have call successors, (130) Word has length 303 [2024-10-13 02:33:55,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:33:55,235 INFO L225 Difference]: With dead ends: 712 [2024-10-13 02:33:55,235 INFO L226 Difference]: Without dead ends: 463 [2024-10-13 02:33:55,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 689 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=568, Invalid=1784, Unknown=0, NotChecked=0, Total=2352 [2024-10-13 02:33:55,238 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 1060 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 02:33:55,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 733 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 02:33:55,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-13 02:33:55,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 214. [2024-10-13 02:33:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 161 states have (on average 1.2173913043478262) internal successors, (196), 161 states have internal predecessors, (196), 44 states have call successors, (44), 8 states have call predecessors, (44), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-13 02:33:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 284 transitions. [2024-10-13 02:33:55,266 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 284 transitions. Word has length 303 [2024-10-13 02:33:55,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:33:55,267 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 284 transitions. [2024-10-13 02:33:55,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.0) internal successors, (225), 26 states have internal predecessors, (225), 10 states have call successors, (129), 3 states have call predecessors, (129), 5 states have return successors, (130), 9 states have call predecessors, (130), 10 states have call successors, (130) [2024-10-13 02:33:55,267 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 284 transitions. [2024-10-13 02:33:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-13 02:33:55,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:33:55,268 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:33:55,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 02:33:55,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-10-13 02:33:55,473 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:33:55,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:33:55,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1748770032, now seen corresponding path program 1 times [2024-10-13 02:33:55,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:33:55,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203206697] [2024-10-13 02:33:55,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:33:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:33:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:33:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:33:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:33:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:33:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:33:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:33:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:33:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:33:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:33:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:33:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:33:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:33:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:33:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:33:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:33:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:33:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 02:33:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 02:33:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 02:33:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:33:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 02:33:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 02:33:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 02:33:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 02:33:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 02:33:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 02:33:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 02:33:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-13 02:33:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 02:33:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:33:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 02:33:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:33:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 02:33:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:33:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 02:33:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:33:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 02:33:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 02:33:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 02:33:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 02:33:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 02:33:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-13 02:33:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 02:33:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3844 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:33:58,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:33:58,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203206697] [2024-10-13 02:33:58,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203206697] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 02:33:58,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105550839] [2024-10-13 02:33:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:33:58,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 02:33:58,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:33:58,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 02:33:58,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 02:33:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:33:58,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-13 02:33:58,594 INFO L278 TraceCheckSpWp]: Computing forward predicates...