./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_fillercodesize_ps-cn-100_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-34.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 2b329d9832ec99d9ffbb7796b225f0eac74b08ac18938b07d93f1b80cf8ae2f9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 05:52:59,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 05:52:59,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 05:52:59,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 05:52:59,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 05:52:59,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 05:52:59,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 05:52:59,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 05:52:59,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 05:52:59,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 05:52:59,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 05:52:59,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 05:52:59,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 05:52:59,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 05:52:59,503 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 05:52:59,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 05:52:59,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 05:52:59,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 05:52:59,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 05:52:59,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 05:52:59,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 05:52:59,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 05:52:59,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 05:52:59,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 05:52:59,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 05:52:59,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 05:52:59,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 05:52:59,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 05:52:59,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 05:52:59,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 05:52:59,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 05:52:59,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 05:52:59,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:52:59,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 05:52:59,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 05:52:59,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 05:52:59,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 05:52:59,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 05:52:59,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 05:52:59,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 05:52:59,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 05:52:59,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 05:52:59,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b329d9832ec99d9ffbb7796b225f0eac74b08ac18938b07d93f1b80cf8ae2f9 [2024-10-24 05:52:59,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 05:52:59,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 05:52:59,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 05:52:59,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 05:52:59,811 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 05:52:59,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-34.i [2024-10-24 05:53:01,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 05:53:01,516 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 05:53:01,517 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-34.i [2024-10-24 05:53:01,529 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c3b4b8d/29df5072dcfc43e5b5126e5613ea870e/FLAG24e55b255 [2024-10-24 05:53:01,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c3b4b8d/29df5072dcfc43e5b5126e5613ea870e [2024-10-24 05:53:01,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 05:53:01,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 05:53:01,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 05:53:01,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 05:53:01,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 05:53:01,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:53:01" (1/1) ... [2024-10-24 05:53:01,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6414ae4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:01, skipping insertion in model container [2024-10-24 05:53:01,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:53:01" (1/1) ... [2024-10-24 05:53:01,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 05:53:02,089 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_fillercodesize_ps-cn-100_file-34.i[916,929] [2024-10-24 05:53:02,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:53:02,210 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 05:53:02,222 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_fillercodesize_ps-cn-100_file-34.i[916,929] [2024-10-24 05:53:02,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:53:02,284 INFO L204 MainTranslator]: Completed translation [2024-10-24 05:53:02,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02 WrapperNode [2024-10-24 05:53:02,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 05:53:02,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 05:53:02,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 05:53:02,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 05:53:02,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,365 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 318 [2024-10-24 05:53:02,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 05:53:02,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 05:53:02,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 05:53:02,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 05:53:02,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,384 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,412 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 05:53:02,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 05:53:02,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 05:53:02,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 05:53:02,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 05:53:02,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (1/1) ... [2024-10-24 05:53:02,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:53:02,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:53:02,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 05:53:02,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 05:53:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 05:53:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 05:53:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 05:53:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 05:53:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 05:53:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 05:53:02,747 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 05:53:02,749 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 05:53:03,382 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-24 05:53:03,383 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 05:53:03,428 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 05:53:03,428 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 05:53:03,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:53:03 BoogieIcfgContainer [2024-10-24 05:53:03,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 05:53:03,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 05:53:03,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 05:53:03,437 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 05:53:03,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:53:01" (1/3) ... [2024-10-24 05:53:03,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ab0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:53:03, skipping insertion in model container [2024-10-24 05:53:03,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:02" (2/3) ... [2024-10-24 05:53:03,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ab0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:53:03, skipping insertion in model container [2024-10-24 05:53:03,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:53:03" (3/3) ... [2024-10-24 05:53:03,441 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-34.i [2024-10-24 05:53:03,459 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 05:53:03,459 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 05:53:03,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 05:53:03,545 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;@19367d6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 05:53:03,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 05:53:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 84 states have (on average 1.5119047619047619) internal successors, (127), 85 states have internal predecessors, (127), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-24 05:53:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-24 05:53:03,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:03,576 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:03,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:03,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:03,583 INFO L85 PathProgramCache]: Analyzing trace with hash -500745111, now seen corresponding path program 1 times [2024-10-24 05:53:03,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:03,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248878746] [2024-10-24 05:53:03,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:03,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:03,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:03,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:03,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:04,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:04,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248878746] [2024-10-24 05:53:04,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248878746] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:04,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:04,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 05:53:04,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996419205] [2024-10-24 05:53:04,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:04,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 05:53:04,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:04,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 05:53:04,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:53:04,317 INFO L87 Difference]: Start difference. First operand has 131 states, 84 states have (on average 1.5119047619047619) internal successors, (127), 85 states have internal predecessors, (127), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 05:53:04,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:04,380 INFO L93 Difference]: Finished difference Result 259 states and 472 transitions. [2024-10-24 05:53:04,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 05:53:04,383 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 272 [2024-10-24 05:53:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:04,393 INFO L225 Difference]: With dead ends: 259 [2024-10-24 05:53:04,394 INFO L226 Difference]: Without dead ends: 129 [2024-10-24 05:53:04,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:53:04,406 INFO L432 NwaCegarLoop]: 207 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, 207 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:04,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:53:04,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-10-24 05:53:04,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-10-24 05:53:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 83 states have internal predecessors, (122), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-24 05:53:04,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 210 transitions. [2024-10-24 05:53:04,484 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 210 transitions. Word has length 272 [2024-10-24 05:53:04,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:04,485 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 210 transitions. [2024-10-24 05:53:04,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 05:53:04,485 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2024-10-24 05:53:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-24 05:53:04,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:04,496 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:04,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 05:53:04,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:04,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:04,497 INFO L85 PathProgramCache]: Analyzing trace with hash -972074767, now seen corresponding path program 1 times [2024-10-24 05:53:04,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:04,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757496876] [2024-10-24 05:53:04,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:05,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:05,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:05,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757496876] [2024-10-24 05:53:05,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757496876] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:05,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:05,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 05:53:05,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581187662] [2024-10-24 05:53:05,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:05,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 05:53:05,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:05,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 05:53:05,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 05:53:05,361 INFO L87 Difference]: Start difference. First operand 129 states and 210 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:05,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:05,702 INFO L93 Difference]: Finished difference Result 414 states and 672 transitions. [2024-10-24 05:53:05,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 05:53:05,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 272 [2024-10-24 05:53:05,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:05,711 INFO L225 Difference]: With dead ends: 414 [2024-10-24 05:53:05,714 INFO L226 Difference]: Without dead ends: 286 [2024-10-24 05:53:05,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 05:53:05,717 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 199 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:05,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 648 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 05:53:05,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-24 05:53:05,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 257. [2024-10-24 05:53:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.463855421686747) internal successors, (243), 166 states have internal predecessors, (243), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-24 05:53:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 419 transitions. [2024-10-24 05:53:05,777 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 419 transitions. Word has length 272 [2024-10-24 05:53:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:05,783 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 419 transitions. [2024-10-24 05:53:05,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 419 transitions. [2024-10-24 05:53:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-24 05:53:05,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:05,792 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:05,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 05:53:05,792 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:05,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:05,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1347627389, now seen corresponding path program 1 times [2024-10-24 05:53:05,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:05,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589346838] [2024-10-24 05:53:05,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:06,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:06,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589346838] [2024-10-24 05:53:06,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589346838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:06,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:06,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 05:53:06,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314293341] [2024-10-24 05:53:06,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:06,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 05:53:06,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:06,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 05:53:06,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 05:53:06,318 INFO L87 Difference]: Start difference. First operand 257 states and 419 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:06,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:06,736 INFO L93 Difference]: Finished difference Result 764 states and 1244 transitions. [2024-10-24 05:53:06,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 05:53:06,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 273 [2024-10-24 05:53:06,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:06,745 INFO L225 Difference]: With dead ends: 764 [2024-10-24 05:53:06,746 INFO L226 Difference]: Without dead ends: 508 [2024-10-24 05:53:06,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 05:53:06,750 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 236 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:06,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 780 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 05:53:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-10-24 05:53:06,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 261. [2024-10-24 05:53:06,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 170 states have (on average 1.4529411764705882) internal successors, (247), 170 states have internal predecessors, (247), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-24 05:53:06,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 423 transitions. [2024-10-24 05:53:06,812 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 423 transitions. Word has length 273 [2024-10-24 05:53:06,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:06,813 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 423 transitions. [2024-10-24 05:53:06,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 423 transitions. [2024-10-24 05:53:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-24 05:53:06,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:06,817 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:06,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 05:53:06,818 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:06,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash 618523273, now seen corresponding path program 1 times [2024-10-24 05:53:06,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:06,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848978696] [2024-10-24 05:53:06,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:06,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:07,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:07,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848978696] [2024-10-24 05:53:07,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848978696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:07,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:07,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 05:53:07,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904595495] [2024-10-24 05:53:07,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:07,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 05:53:07,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:07,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 05:53:07,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 05:53:07,858 INFO L87 Difference]: Start difference. First operand 261 states and 423 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:08,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:08,455 INFO L93 Difference]: Finished difference Result 897 states and 1442 transitions. [2024-10-24 05:53:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 05:53:08,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 274 [2024-10-24 05:53:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:08,462 INFO L225 Difference]: With dead ends: 897 [2024-10-24 05:53:08,462 INFO L226 Difference]: Without dead ends: 637 [2024-10-24 05:53:08,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 05:53:08,464 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 369 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:08,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 534 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 05:53:08,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-10-24 05:53:08,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 437. [2024-10-24 05:53:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 312 states have (on average 1.5) internal successors, (468), 314 states have internal predecessors, (468), 120 states have call successors, (120), 4 states have call predecessors, (120), 4 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2024-10-24 05:53:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 708 transitions. [2024-10-24 05:53:08,552 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 708 transitions. Word has length 274 [2024-10-24 05:53:08,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:08,553 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 708 transitions. [2024-10-24 05:53:08,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:08,554 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 708 transitions. [2024-10-24 05:53:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-24 05:53:08,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:08,557 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:08,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 05:53:08,558 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:08,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash 556483659, now seen corresponding path program 1 times [2024-10-24 05:53:08,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:08,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519822004] [2024-10-24 05:53:08,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:08,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:20,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:20,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519822004] [2024-10-24 05:53:20,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519822004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:20,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:20,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 05:53:20,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984004764] [2024-10-24 05:53:20,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:20,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 05:53:20,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:20,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 05:53:20,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-24 05:53:20,983 INFO L87 Difference]: Start difference. First operand 437 states and 708 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:25,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:25,279 INFO L93 Difference]: Finished difference Result 1347 states and 2136 transitions. [2024-10-24 05:53:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 05:53:25,280 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 274 [2024-10-24 05:53:25,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:25,288 INFO L225 Difference]: With dead ends: 1347 [2024-10-24 05:53:25,289 INFO L226 Difference]: Without dead ends: 911 [2024-10-24 05:53:25,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2024-10-24 05:53:25,293 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 675 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:25,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1319 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 05:53:25,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-10-24 05:53:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 619. [2024-10-24 05:53:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 448 states have (on average 1.4933035714285714) internal successors, (669), 450 states have internal predecessors, (669), 164 states have call successors, (164), 6 states have call predecessors, (164), 6 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 05:53:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 997 transitions. [2024-10-24 05:53:25,378 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 997 transitions. Word has length 274 [2024-10-24 05:53:25,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:25,379 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 997 transitions. [2024-10-24 05:53:25,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 997 transitions. [2024-10-24 05:53:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-24 05:53:25,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:25,385 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:25,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 05:53:25,386 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:25,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:25,386 INFO L85 PathProgramCache]: Analyzing trace with hash 613741961, now seen corresponding path program 1 times [2024-10-24 05:53:25,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:25,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590554505] [2024-10-24 05:53:25,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:25,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:27,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:27,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590554505] [2024-10-24 05:53:27,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590554505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:27,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:27,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 05:53:27,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992300845] [2024-10-24 05:53:27,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:27,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 05:53:27,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:27,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 05:53:27,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 05:53:27,709 INFO L87 Difference]: Start difference. First operand 619 states and 997 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:29,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:29,505 INFO L93 Difference]: Finished difference Result 1419 states and 2245 transitions. [2024-10-24 05:53:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 05:53:29,506 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 274 [2024-10-24 05:53:29,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:29,511 INFO L225 Difference]: With dead ends: 1419 [2024-10-24 05:53:29,512 INFO L226 Difference]: Without dead ends: 983 [2024-10-24 05:53:29,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-24 05:53:29,514 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 463 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:29,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 946 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 05:53:29,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-10-24 05:53:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 701. [2024-10-24 05:53:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 530 states have (on average 1.4924528301886792) internal successors, (791), 532 states have internal predecessors, (791), 164 states have call successors, (164), 6 states have call predecessors, (164), 6 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 05:53:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1119 transitions. [2024-10-24 05:53:29,600 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1119 transitions. Word has length 274 [2024-10-24 05:53:29,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:29,600 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 1119 transitions. [2024-10-24 05:53:29,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:29,601 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1119 transitions. [2024-10-24 05:53:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-24 05:53:29,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:29,604 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:29,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 05:53:29,605 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:29,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:29,606 INFO L85 PathProgramCache]: Analyzing trace with hash -252862967, now seen corresponding path program 1 times [2024-10-24 05:53:29,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:29,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854569797] [2024-10-24 05:53:29,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:29,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:33,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:33,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854569797] [2024-10-24 05:53:33,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854569797] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:33,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:33,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 05:53:33,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353600028] [2024-10-24 05:53:33,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:33,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 05:53:33,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:33,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 05:53:33,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 05:53:33,816 INFO L87 Difference]: Start difference. First operand 701 states and 1119 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:35,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:35,691 INFO L93 Difference]: Finished difference Result 1563 states and 2439 transitions. [2024-10-24 05:53:35,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 05:53:35,691 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 274 [2024-10-24 05:53:35,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:35,698 INFO L225 Difference]: With dead ends: 1563 [2024-10-24 05:53:35,698 INFO L226 Difference]: Without dead ends: 1041 [2024-10-24 05:53:35,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-24 05:53:35,701 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 370 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:35,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1015 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 05:53:35,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2024-10-24 05:53:35,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 907. [2024-10-24 05:53:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 736 states have (on average 1.4796195652173914) internal successors, (1089), 738 states have internal predecessors, (1089), 164 states have call successors, (164), 6 states have call predecessors, (164), 6 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 05:53:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1417 transitions. [2024-10-24 05:53:35,779 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1417 transitions. Word has length 274 [2024-10-24 05:53:35,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:35,781 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1417 transitions. [2024-10-24 05:53:35,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1417 transitions. [2024-10-24 05:53:35,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-24 05:53:35,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:35,784 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:35,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 05:53:35,785 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:35,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:35,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2116887686, now seen corresponding path program 1 times [2024-10-24 05:53:35,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:35,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930291527] [2024-10-24 05:53:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:35,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:37,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:37,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930291527] [2024-10-24 05:53:37,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930291527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:37,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:37,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 05:53:37,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456040265] [2024-10-24 05:53:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:37,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 05:53:37,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:37,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 05:53:37,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 05:53:37,799 INFO L87 Difference]: Start difference. First operand 907 states and 1417 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:38,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:38,394 INFO L93 Difference]: Finished difference Result 1615 states and 2514 transitions. [2024-10-24 05:53:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 05:53:38,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 274 [2024-10-24 05:53:38,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:38,400 INFO L225 Difference]: With dead ends: 1615 [2024-10-24 05:53:38,400 INFO L226 Difference]: Without dead ends: 1087 [2024-10-24 05:53:38,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-24 05:53:38,405 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 240 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:38,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 676 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 05:53:38,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-10-24 05:53:38,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 911. [2024-10-24 05:53:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 740 states have (on average 1.4662162162162162) internal successors, (1085), 742 states have internal predecessors, (1085), 164 states have call successors, (164), 6 states have call predecessors, (164), 6 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 05:53:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1413 transitions. [2024-10-24 05:53:38,494 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1413 transitions. Word has length 274 [2024-10-24 05:53:38,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:38,494 INFO L471 AbstractCegarLoop]: Abstraction has 911 states and 1413 transitions. [2024-10-24 05:53:38,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1413 transitions. [2024-10-24 05:53:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-24 05:53:38,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:38,498 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:38,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 05:53:38,498 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:38,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:38,499 INFO L85 PathProgramCache]: Analyzing trace with hash -30322355, now seen corresponding path program 1 times [2024-10-24 05:53:38,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:38,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155571729] [2024-10-24 05:53:38,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:38,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:38,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:39,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155571729] [2024-10-24 05:53:39,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155571729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:39,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:39,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 05:53:39,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483077274] [2024-10-24 05:53:39,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:39,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 05:53:39,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:39,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 05:53:39,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 05:53:39,129 INFO L87 Difference]: Start difference. First operand 911 states and 1413 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:39,569 INFO L93 Difference]: Finished difference Result 1453 states and 2277 transitions. [2024-10-24 05:53:39,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 05:53:39,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 274 [2024-10-24 05:53:39,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:39,576 INFO L225 Difference]: With dead ends: 1453 [2024-10-24 05:53:39,576 INFO L226 Difference]: Without dead ends: 897 [2024-10-24 05:53:39,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 05:53:39,579 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 152 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:39,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 558 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 05:53:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2024-10-24 05:53:39,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 847. [2024-10-24 05:53:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 676 states have (on average 1.4452662721893492) internal successors, (977), 678 states have internal predecessors, (977), 164 states have call successors, (164), 6 states have call predecessors, (164), 6 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 05:53:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1305 transitions. [2024-10-24 05:53:39,707 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1305 transitions. Word has length 274 [2024-10-24 05:53:39,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:39,708 INFO L471 AbstractCegarLoop]: Abstraction has 847 states and 1305 transitions. [2024-10-24 05:53:39,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1305 transitions. [2024-10-24 05:53:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-10-24 05:53:39,711 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:39,712 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:39,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 05:53:39,712 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:39,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:39,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1341319540, now seen corresponding path program 1 times [2024-10-24 05:53:39,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:39,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483430949] [2024-10-24 05:53:39,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:39,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:42,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:42,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483430949] [2024-10-24 05:53:42,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483430949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:42,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:42,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 05:53:42,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734795712] [2024-10-24 05:53:42,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:42,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 05:53:42,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:42,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 05:53:42,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-24 05:53:42,247 INFO L87 Difference]: Start difference. First operand 847 states and 1305 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:44,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:44,103 INFO L93 Difference]: Finished difference Result 1629 states and 2497 transitions. [2024-10-24 05:53:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 05:53:44,105 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 275 [2024-10-24 05:53:44,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:44,112 INFO L225 Difference]: With dead ends: 1629 [2024-10-24 05:53:44,112 INFO L226 Difference]: Without dead ends: 1193 [2024-10-24 05:53:44,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-10-24 05:53:44,115 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 236 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:44,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 806 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 05:53:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-10-24 05:53:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 879. [2024-10-24 05:53:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 704 states have (on average 1.4332386363636365) internal successors, (1009), 706 states have internal predecessors, (1009), 164 states have call successors, (164), 10 states have call predecessors, (164), 10 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 05:53:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1337 transitions. [2024-10-24 05:53:44,219 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1337 transitions. Word has length 275 [2024-10-24 05:53:44,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:44,219 INFO L471 AbstractCegarLoop]: Abstraction has 879 states and 1337 transitions. [2024-10-24 05:53:44,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:44,220 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1337 transitions. [2024-10-24 05:53:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-10-24 05:53:44,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:44,223 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:44,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 05:53:44,224 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:44,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:44,224 INFO L85 PathProgramCache]: Analyzing trace with hash 870436694, now seen corresponding path program 1 times [2024-10-24 05:53:44,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:44,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783783334] [2024-10-24 05:53:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:48,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:53:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:53:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:48,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:53:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:48,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:53:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:53:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:48,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:53:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:53:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:53:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:53:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:53:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:53:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:53:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:53:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:53:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:53:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:53:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:53:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:53:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:53:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:53:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:53:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:53:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:53:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:53:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:53:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:53:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:53:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:53:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:53:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:53:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:53:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:53:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:53:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:53:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:53:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:53:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:53:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:53:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:53:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:53:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:53:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:53:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:53:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:53:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:53:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:53:49,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:53:49,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783783334] [2024-10-24 05:53:49,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783783334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:53:49,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:53:49,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 05:53:49,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658211738] [2024-10-24 05:53:49,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:53:49,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 05:53:49,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:53:49,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 05:53:49,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-10-24 05:53:49,237 INFO L87 Difference]: Start difference. First operand 879 states and 1337 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:53:51,387 INFO L93 Difference]: Finished difference Result 1807 states and 2700 transitions. [2024-10-24 05:53:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 05:53:51,387 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 275 [2024-10-24 05:53:51,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:53:51,395 INFO L225 Difference]: With dead ends: 1807 [2024-10-24 05:53:51,395 INFO L226 Difference]: Without dead ends: 1235 [2024-10-24 05:53:51,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2024-10-24 05:53:51,398 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 372 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 05:53:51,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1301 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 05:53:51,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2024-10-24 05:53:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 953. [2024-10-24 05:53:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 778 states have (on average 1.430591259640103) internal successors, (1113), 780 states have internal predecessors, (1113), 164 states have call successors, (164), 10 states have call predecessors, (164), 10 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 05:53:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1441 transitions. [2024-10-24 05:53:51,515 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1441 transitions. Word has length 275 [2024-10-24 05:53:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:53:51,515 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1441 transitions. [2024-10-24 05:53:51,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:53:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1441 transitions. [2024-10-24 05:53:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-10-24 05:53:51,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:53:51,519 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:53:51,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 05:53:51,520 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:53:51,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:53:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash 814066592, now seen corresponding path program 1 times [2024-10-24 05:53:51,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:53:51,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281819689] [2024-10-24 05:53:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:53:51,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:53:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:54:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:54:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 05:54:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 05:54:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 05:54:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 05:54:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 05:54:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 05:54:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 05:54:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 05:54:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 05:54:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 05:54:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 05:54:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:02,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 05:54:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 05:54:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 05:54:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 05:54:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 05:54:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 05:54:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 05:54:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 05:54:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 05:54:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 05:54:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 05:54:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 05:54:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 05:54:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 05:54:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 05:54:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 05:54:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 05:54:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 05:54:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 05:54:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 05:54:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 05:54:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 05:54:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 05:54:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 05:54:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 05:54:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 05:54:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 05:54:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 05:54:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-24 05:54:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 05:54:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 05:54:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:54:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 05:54:03,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:54:03,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281819689] [2024-10-24 05:54:03,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281819689] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:54:03,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:54:03,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 05:54:03,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207171120] [2024-10-24 05:54:03,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:54:03,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 05:54:03,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:54:03,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 05:54:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-10-24 05:54:03,151 INFO L87 Difference]: Start difference. First operand 953 states and 1441 transitions. Second operand has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:54:06,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:54:06,214 INFO L93 Difference]: Finished difference Result 1585 states and 2380 transitions. [2024-10-24 05:54:06,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 05:54:06,215 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 276 [2024-10-24 05:54:06,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:54:06,221 INFO L225 Difference]: With dead ends: 1585 [2024-10-24 05:54:06,221 INFO L226 Difference]: Without dead ends: 1117 [2024-10-24 05:54:06,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2024-10-24 05:54:06,224 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 359 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 05:54:06,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 1377 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 05:54:06,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-10-24 05:54:06,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 933. [2024-10-24 05:54:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 758 states have (on average 1.4366754617414248) internal successors, (1089), 760 states have internal predecessors, (1089), 164 states have call successors, (164), 10 states have call predecessors, (164), 10 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-10-24 05:54:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1417 transitions. [2024-10-24 05:54:06,316 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1417 transitions. Word has length 276 [2024-10-24 05:54:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:54:06,317 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1417 transitions. [2024-10-24 05:54:06,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.6875) internal successors, (59), 16 states have internal predecessors, (59), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 05:54:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1417 transitions. [2024-10-24 05:54:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-10-24 05:54:06,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:54:06,322 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 05:54:06,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 05:54:06,323 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:54:06,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:54:06,323 INFO L85 PathProgramCache]: Analyzing trace with hash -333822868, now seen corresponding path program 1 times [2024-10-24 05:54:06,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:54:06,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410481493] [2024-10-24 05:54:06,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:54:06,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:54:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat