./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-250_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:21:33,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:21:33,295 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 08:21:33,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:21:33,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:21:33,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:21:33,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:21:33,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:21:33,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:21:33,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:21:33,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:21:33,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:21:33,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:21:33,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:21:33,337 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:21:33,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:21:33,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:21:33,338 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:21:33,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 08:21:33,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:21:33,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:21:33,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:21:33,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:21:33,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:21:33,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:21:33,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:21:33,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:21:33,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:21:33,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:21:33,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:21:33,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:21:33,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:21:33,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:21:33,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:21:33,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:21:33,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:21:33,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 08:21:33,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 08:21:33,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:21:33,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:21:33,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:21:33,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:21:33,349 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 [2024-10-11 08:21:33,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:21:33,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:21:33,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:21:33,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:21:33,644 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:21:33,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-10-11 08:21:35,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:21:35,324 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:21:35,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-10-11 08:21:35,336 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1d8b990a4/ba35bfa99cb0457690285feedcb9d9fd/FLAG42c70911a [2024-10-11 08:21:35,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1d8b990a4/ba35bfa99cb0457690285feedcb9d9fd [2024-10-11 08:21:35,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:21:35,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:21:35,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:21:35,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:21:35,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:21:35,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:21:35" (1/1) ... [2024-10-11 08:21:35,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9d1cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:35, skipping insertion in model container [2024-10-11 08:21:35,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:21:35" (1/1) ... [2024-10-11 08:21:35,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:21:35,900 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-250_file-95.i[916,929] [2024-10-11 08:21:36,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:21:36,055 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:21:36,070 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-250_file-95.i[916,929] [2024-10-11 08:21:36,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:21:36,193 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:21:36,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36 WrapperNode [2024-10-11 08:21:36,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:21:36,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:21:36,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:21:36,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:21:36,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,298 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-10-11 08:21:36,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:21:36,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:21:36,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:21:36,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:21:36,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,365 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]. [2024-10-11 08:21:36,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:21:36,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:21:36,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:21:36,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:21:36,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (1/1) ... [2024-10-11 08:21:36,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:21:36,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:21:36,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 08:21:36,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 08:21:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:21:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:21:36,526 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:21:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 08:21:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:21:36,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:21:36,629 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:21:36,630 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:21:37,508 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 08:21:37,509 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:21:37,566 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:21:37,566 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:21:37,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:21:37 BoogieIcfgContainer [2024-10-11 08:21:37,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:21:37,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:21:37,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:21:37,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:21:37,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:21:35" (1/3) ... [2024-10-11 08:21:37,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1914c04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:21:37, skipping insertion in model container [2024-10-11 08:21:37,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:21:36" (2/3) ... [2024-10-11 08:21:37,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1914c04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:21:37, skipping insertion in model container [2024-10-11 08:21:37,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:21:37" (3/3) ... [2024-10-11 08:21:37,579 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-10-11 08:21:37,595 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:21:37,596 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:21:37,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:21:37,681 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;@46aab18c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:21:37,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:21:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 146 states have (on average 1.5753424657534247) internal successors, (230), 147 states have internal predecessors, (230), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 08:21:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-10-11 08:21:37,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:21:37,718 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:21:37,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:21:37,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:21:37,724 INFO L85 PathProgramCache]: Analyzing trace with hash -849433921, now seen corresponding path program 1 times [2024-10-11 08:21:37,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:21:37,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660526035] [2024-10-11 08:21:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:21:37,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:21:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:21:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:21:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:21:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:21:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:21:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:21:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:21:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:21:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:21:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:21:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:21:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:21:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:21:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:21:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:21:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:21:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:21:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:21:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:21:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:21:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:21:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:21:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:21:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:21:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:21:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:21:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:21:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:21:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:21:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:21:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:21:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:21:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:21:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:21:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:21:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:21:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:21:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:21:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:21:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:21:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:21:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:21:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:21:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:21:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:21:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:21:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:21:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:21:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:21:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:21:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:21:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:21:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:21:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:21:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:21:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:21:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:21:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:21:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:21:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:21:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:21:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:21:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:21:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-11 08:21:38,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:21:38,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660526035] [2024-10-11 08:21:38,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660526035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:21:38,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:21:38,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:21:38,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133880388] [2024-10-11 08:21:38,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:21:38,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:21:38,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:21:38,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:21:38,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:21:38,749 INFO L87 Difference]: Start difference. First operand has 212 states, 146 states have (on average 1.5753424657534247) internal successors, (230), 147 states have internal predecessors, (230), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-10-11 08:21:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:21:38,832 INFO L93 Difference]: Finished difference Result 420 states and 771 transitions. [2024-10-11 08:21:38,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:21:38,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) Word has length 404 [2024-10-11 08:21:38,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:21:38,847 INFO L225 Difference]: With dead ends: 420 [2024-10-11 08:21:38,848 INFO L226 Difference]: Without dead ends: 209 [2024-10-11 08:21:38,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:21:38,861 INFO L432 NwaCegarLoop]: 345 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, 345 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 [2024-10-11 08:21:38,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:21:38,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-11 08:21:38,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-10-11 08:21:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 144 states have (on average 1.5416666666666667) internal successors, (222), 144 states have internal predecessors, (222), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-11 08:21:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 348 transitions. [2024-10-11 08:21:38,938 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 348 transitions. Word has length 404 [2024-10-11 08:21:38,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:21:38,942 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 348 transitions. [2024-10-11 08:21:38,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-10-11 08:21:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 348 transitions. [2024-10-11 08:21:38,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-10-11 08:21:38,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:21:38,956 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:21:38,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 08:21:38,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:21:38,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:21:38,957 INFO L85 PathProgramCache]: Analyzing trace with hash 680057517, now seen corresponding path program 1 times [2024-10-11 08:21:38,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:21:38,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677194778] [2024-10-11 08:21:38,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:21:38,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:21:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:21:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:21:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:21:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:21:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:21:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:21:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:21:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:21:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:21:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:21:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:21:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:21:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:21:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:21:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:21:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:21:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:21:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:21:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:21:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:21:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:21:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:21:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:21:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:21:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:21:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:21:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:21:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:21:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:21:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:21:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:21:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:21:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:21:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:21:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:21:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:21:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:21:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:21:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:21:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:21:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:21:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:21:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:21:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:21:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:21:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:21:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:21:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:21:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:21:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:21:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:21:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:21:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:21:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:21:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:21:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:21:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:21:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:21:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:21:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:21:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:21:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:21:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:21:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-11 08:21:39,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:21:39,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677194778] [2024-10-11 08:21:39,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677194778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:21:39,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:21:39,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:21:39,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584140476] [2024-10-11 08:21:39,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:21:39,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:21:39,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:21:39,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:21:39,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:21:39,664 INFO L87 Difference]: Start difference. First operand 209 states and 348 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:39,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:21:39,947 INFO L93 Difference]: Finished difference Result 763 states and 1274 transitions. [2024-10-11 08:21:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 08:21:39,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 404 [2024-10-11 08:21:39,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:21:39,956 INFO L225 Difference]: With dead ends: 763 [2024-10-11 08:21:39,956 INFO L226 Difference]: Without dead ends: 555 [2024-10-11 08:21:39,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:21:39,960 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 659 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:21:39,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1209 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 08:21:39,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-10-11 08:21:40,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 546. [2024-10-11 08:21:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 419 states have (on average 1.5966587112171837) internal successors, (669), 422 states have internal predecessors, (669), 122 states have call successors, (122), 4 states have call predecessors, (122), 4 states have return successors, (122), 119 states have call predecessors, (122), 122 states have call successors, (122) [2024-10-11 08:21:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 913 transitions. [2024-10-11 08:21:40,055 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 913 transitions. Word has length 404 [2024-10-11 08:21:40,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:21:40,058 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 913 transitions. [2024-10-11 08:21:40,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:40,058 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 913 transitions. [2024-10-11 08:21:40,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-11 08:21:40,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:21:40,066 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:21:40,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 08:21:40,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:21:40,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:21:40,067 INFO L85 PathProgramCache]: Analyzing trace with hash -205388370, now seen corresponding path program 1 times [2024-10-11 08:21:40,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:21:40,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441098682] [2024-10-11 08:21:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:21:40,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:21:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:21:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:21:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:21:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:21:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:21:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:21:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:21:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:21:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:21:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:21:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:21:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:21:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:21:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:21:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:21:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:21:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:21:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:21:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:21:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:21:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:21:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:21:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:21:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:21:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:21:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:21:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:21:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:21:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:21:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:21:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:21:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:21:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:21:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:21:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:21:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:21:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:21:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:21:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:21:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:21:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:21:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:21:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:21:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:21:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:21:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:21:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:21:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:21:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:21:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:21:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:21:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:21:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:21:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:21:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:21:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:21:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:21:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:21:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:21:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:21:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:21:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:21:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:21:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-11 08:21:40,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:21:40,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441098682] [2024-10-11 08:21:40,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441098682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:21:40,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:21:40,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 08:21:40,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555724708] [2024-10-11 08:21:40,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:21:40,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:21:40,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:21:40,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:21:40,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:21:40,949 INFO L87 Difference]: Start difference. First operand 546 states and 913 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:41,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:21:41,062 INFO L93 Difference]: Finished difference Result 1431 states and 2382 transitions. [2024-10-11 08:21:41,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:21:41,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 405 [2024-10-11 08:21:41,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:21:41,072 INFO L225 Difference]: With dead ends: 1431 [2024-10-11 08:21:41,072 INFO L226 Difference]: Without dead ends: 886 [2024-10-11 08:21:41,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:21:41,075 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 236 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:21:41,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 747 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 08:21:41,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2024-10-11 08:21:41,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 883. [2024-10-11 08:21:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 660 states have (on average 1.5712121212121213) internal successors, (1037), 664 states have internal predecessors, (1037), 214 states have call successors, (214), 8 states have call predecessors, (214), 8 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-10-11 08:21:41,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1465 transitions. [2024-10-11 08:21:41,173 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1465 transitions. Word has length 405 [2024-10-11 08:21:41,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:21:41,175 INFO L471 AbstractCegarLoop]: Abstraction has 883 states and 1465 transitions. [2024-10-11 08:21:41,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1465 transitions. [2024-10-11 08:21:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-11 08:21:41,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:21:41,182 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:21:41,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 08:21:41,182 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:21:41,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:21:41,183 INFO L85 PathProgramCache]: Analyzing trace with hash 107046061, now seen corresponding path program 1 times [2024-10-11 08:21:41,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:21:41,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465365032] [2024-10-11 08:21:41,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:21:41,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:21:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:21:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:21:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:21:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:21:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:21:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:21:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:21:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:21:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:21:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:21:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:21:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:21:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:21:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:21:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:21:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:21:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:21:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:21:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:21:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:21:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:21:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:21:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:21:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:21:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:21:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:21:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:21:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:21:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:21:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:21:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:21:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:21:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:21:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:21:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:21:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:21:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:21:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:21:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:21:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:21:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:21:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:21:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:21:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:21:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:21:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:21:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:21:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:21:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:21:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:21:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:21:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:21:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:21:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:21:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:21:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:21:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:21:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:21:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:21:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:21:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:21:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:21:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:21:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-11 08:21:41,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:21:41,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465365032] [2024-10-11 08:21:41,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465365032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:21:41,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:21:41,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 08:21:41,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854057515] [2024-10-11 08:21:41,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:21:41,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:21:41,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:21:41,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:21:41,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:21:41,509 INFO L87 Difference]: Start difference. First operand 883 states and 1465 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:41,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:21:41,587 INFO L93 Difference]: Finished difference Result 1440 states and 2386 transitions. [2024-10-11 08:21:41,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:21:41,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 405 [2024-10-11 08:21:41,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:21:41,595 INFO L225 Difference]: With dead ends: 1440 [2024-10-11 08:21:41,595 INFO L226 Difference]: Without dead ends: 895 [2024-10-11 08:21:41,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:21:41,598 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 199 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:21:41,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 780 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:21:41,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-10-11 08:21:41,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 726. [2024-10-11 08:21:41,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 533 states have (on average 1.551594746716698) internal successors, (827), 535 states have internal predecessors, (827), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 182 states have call predecessors, (184), 184 states have call successors, (184) [2024-10-11 08:21:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1195 transitions. [2024-10-11 08:21:41,691 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1195 transitions. Word has length 405 [2024-10-11 08:21:41,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:21:41,692 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 1195 transitions. [2024-10-11 08:21:41,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1195 transitions. [2024-10-11 08:21:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-11 08:21:41,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:21:41,698 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:21:41,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 08:21:41,699 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:21:41,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:21:41,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1749107091, now seen corresponding path program 1 times [2024-10-11 08:21:41,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:21:41,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020406146] [2024-10-11 08:21:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:21:41,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:21:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:21:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:21:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:21:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:21:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:21:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:21:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:21:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:21:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:21:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:21:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:21:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:21:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:21:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:21:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:21:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:21:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:21:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:21:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:21:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:21:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:21:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:21:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:21:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:21:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:21:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:21:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:21:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:21:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:21:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:21:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:21:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:21:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:21:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:21:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:21:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:21:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:21:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:21:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:21:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:21:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:21:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:21:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:21:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:21:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:21:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:21:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:21:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:21:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:21:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:21:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:21:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:21:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:21:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:21:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:21:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:21:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:21:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:21:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:21:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:21:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:21:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:21:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:21:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-11 08:21:42,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:21:42,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020406146] [2024-10-11 08:21:42,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020406146] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:21:42,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:21:42,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 08:21:42,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109213918] [2024-10-11 08:21:42,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:21:42,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:21:42,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:21:42,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:21:42,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:21:42,282 INFO L87 Difference]: Start difference. First operand 726 states and 1195 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:42,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:21:42,400 INFO L93 Difference]: Finished difference Result 1514 states and 2474 transitions. [2024-10-11 08:21:42,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:21:42,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 405 [2024-10-11 08:21:42,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:21:42,407 INFO L225 Difference]: With dead ends: 1514 [2024-10-11 08:21:42,408 INFO L226 Difference]: Without dead ends: 789 [2024-10-11 08:21:42,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:21:42,412 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 212 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:21:42,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 597 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 08:21:42,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-10-11 08:21:42,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 788. [2024-10-11 08:21:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 563 states have (on average 1.5133214920071048) internal successors, (852), 566 states have internal predecessors, (852), 211 states have call successors, (211), 13 states have call predecessors, (211), 13 states have return successors, (211), 208 states have call predecessors, (211), 211 states have call successors, (211) [2024-10-11 08:21:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1274 transitions. [2024-10-11 08:21:42,496 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1274 transitions. Word has length 405 [2024-10-11 08:21:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:21:42,497 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1274 transitions. [2024-10-11 08:21:42,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1274 transitions. [2024-10-11 08:21:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-10-11 08:21:42,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:21:42,504 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:21:42,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 08:21:42,505 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:21:42,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:21:42,505 INFO L85 PathProgramCache]: Analyzing trace with hash 253298140, now seen corresponding path program 1 times [2024-10-11 08:21:42,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:21:42,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600629124] [2024-10-11 08:21:42,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:21:42,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:21:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:21:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:21:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:21:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:21:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:21:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:21:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:21:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:21:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:21:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:21:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:21:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:21:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:21:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:21:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:21:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:21:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:21:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:21:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:21:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:21:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:21:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:21:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:21:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:21:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:21:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:21:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:21:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:21:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:21:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:21:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:21:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:21:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:21:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:21:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:21:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:21:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:21:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:21:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:21:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:21:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:21:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:21:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:21:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:21:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:21:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:21:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:21:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:21:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:21:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:21:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:21:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:21:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:21:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:21:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:21:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:21:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:21:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:21:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:21:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:21:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:21:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:21:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:21:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:21:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-11 08:21:52,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:21:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600629124] [2024-10-11 08:21:52,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600629124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:21:52,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:21:52,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 08:21:52,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295608640] [2024-10-11 08:21:52,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:21:52,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 08:21:52,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:21:52,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 08:21:52,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 08:21:52,103 INFO L87 Difference]: Start difference. First operand 788 states and 1274 transitions. Second operand has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:58,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:21:58,613 INFO L93 Difference]: Finished difference Result 1817 states and 2924 transitions. [2024-10-11 08:21:58,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 08:21:58,614 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 407 [2024-10-11 08:21:58,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:21:58,625 INFO L225 Difference]: With dead ends: 1817 [2024-10-11 08:21:58,625 INFO L226 Difference]: Without dead ends: 1421 [2024-10-11 08:21:58,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-10-11 08:21:58,628 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 1558 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 3998 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:21:58,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 3998 Invalid, 1899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-11 08:21:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-10-11 08:21:58,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1264. [2024-10-11 08:21:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 951 states have (on average 1.53732912723449) internal successors, (1462), 958 states have internal predecessors, (1462), 287 states have call successors, (287), 25 states have call predecessors, (287), 25 states have return successors, (287), 280 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-11 08:21:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 2036 transitions. [2024-10-11 08:21:58,809 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 2036 transitions. Word has length 407 [2024-10-11 08:21:58,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:21:58,810 INFO L471 AbstractCegarLoop]: Abstraction has 1264 states and 2036 transitions. [2024-10-11 08:21:58,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:21:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2036 transitions. [2024-10-11 08:21:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-10-11 08:21:58,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:21:58,818 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:21:58,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 08:21:58,819 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:21:58,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:21:58,819 INFO L85 PathProgramCache]: Analyzing trace with hash -170348582, now seen corresponding path program 1 times [2024-10-11 08:21:58,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:21:58,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953167641] [2024-10-11 08:21:58,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:21:58,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:21:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:22:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:22:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:22:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:22:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:22:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:22:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:22:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:22:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:22:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:22:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:22:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:22:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:22:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:22:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:22:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:22:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:22:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:22:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:22:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:22:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:22:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:22:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:22:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:22:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:22:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:22:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:22:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:22:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:22:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:22:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:22:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:22:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:22:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:22:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:22:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:22:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:22:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:22:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:22:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:22:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:22:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:22:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:22:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:22:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:22:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:22:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:22:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:22:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:22:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:22:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:22:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:22:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:22:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:22:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:22:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:22:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:22:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:22:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:22:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:22:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:22:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:22:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:22:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-11 08:22:34,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:22:34,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953167641] [2024-10-11 08:22:34,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953167641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:22:34,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:22:34,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 08:22:34,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465761978] [2024-10-11 08:22:34,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:22:34,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 08:22:34,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:22:34,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 08:22:34,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 08:22:34,653 INFO L87 Difference]: Start difference. First operand 1264 states and 2036 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:22:35,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:22:35,237 INFO L93 Difference]: Finished difference Result 2845 states and 4481 transitions. [2024-10-11 08:22:35,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 08:22:35,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 407 [2024-10-11 08:22:35,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:22:35,252 INFO L225 Difference]: With dead ends: 2845 [2024-10-11 08:22:35,252 INFO L226 Difference]: Without dead ends: 1628 [2024-10-11 08:22:35,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 08:22:35,260 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 84 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:22:35,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1370 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 08:22:35,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2024-10-11 08:22:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1480. [2024-10-11 08:22:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1143 states have (on average 1.4960629921259843) internal successors, (1710), 1158 states have internal predecessors, (1710), 303 states have call successors, (303), 33 states have call predecessors, (303), 33 states have return successors, (303), 288 states have call predecessors, (303), 303 states have call successors, (303) [2024-10-11 08:22:35,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2316 transitions. [2024-10-11 08:22:35,539 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2316 transitions. Word has length 407 [2024-10-11 08:22:35,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:22:35,540 INFO L471 AbstractCegarLoop]: Abstraction has 1480 states and 2316 transitions. [2024-10-11 08:22:35,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-11 08:22:35,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2316 transitions. [2024-10-11 08:22:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-10-11 08:22:35,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:22:35,547 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:22:35,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 08:22:35,547 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:22:35,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:22:35,548 INFO L85 PathProgramCache]: Analyzing trace with hash -979695208, now seen corresponding path program 1 times [2024-10-11 08:22:35,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:22:35,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432232383] [2024-10-11 08:22:35,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:22:35,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:22:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:22:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:22:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:22:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:22:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:22:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:22:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:22:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:22:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:22:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:22:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:22:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:22:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:22:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:22:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:22:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:22:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:22:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:22:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:22:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:22:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:22:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:22:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:22:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:22:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:22:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:22:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:22:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:22:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:22:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:22:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:22:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:22:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:22:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:22:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:22:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:22:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:22:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:22:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:22:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:22:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:22:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:22:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:22:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:22:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:22:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:22:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:22:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:22:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:22:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:22:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:22:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:22:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:22:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:22:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:22:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:22:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:22:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:22:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:22:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:22:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:22:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:22:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:22:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 63 proven. 123 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-11 08:22:36,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:22:36,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432232383] [2024-10-11 08:22:36,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432232383] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:22:36,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839075892] [2024-10-11 08:22:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:22:36,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:22:36,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:22:36,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:22:36,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 08:22:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:36,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 08:22:36,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:22:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 3548 proven. 123 refuted. 0 times theorem prover too weak. 4141 trivial. 0 not checked. [2024-10-11 08:22:37,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:22:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 63 proven. 123 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-11 08:22:37,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839075892] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 08:22:37,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 08:22:37,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-11 08:22:37,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200875390] [2024-10-11 08:22:37,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 08:22:37,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 08:22:37,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:22:37,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 08:22:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-11 08:22:37,870 INFO L87 Difference]: Start difference. First operand 1480 states and 2316 transitions. Second operand has 14 states, 14 states have (on average 9.857142857142858) internal successors, (138), 14 states have internal predecessors, (138), 3 states have call successors, (145), 2 states have call predecessors, (145), 4 states have return successors, (146), 3 states have call predecessors, (146), 3 states have call successors, (146) [2024-10-11 08:22:39,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:22:39,129 INFO L93 Difference]: Finished difference Result 2669 states and 4146 transitions. [2024-10-11 08:22:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 08:22:39,130 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.857142857142858) internal successors, (138), 14 states have internal predecessors, (138), 3 states have call successors, (145), 2 states have call predecessors, (145), 4 states have return successors, (146), 3 states have call predecessors, (146), 3 states have call successors, (146) Word has length 407 [2024-10-11 08:22:39,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:22:39,138 INFO L225 Difference]: With dead ends: 2669 [2024-10-11 08:22:39,139 INFO L226 Difference]: Without dead ends: 1236 [2024-10-11 08:22:39,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 951 GetRequests, 931 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-10-11 08:22:39,144 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 567 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:22:39,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 2084 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 08:22:39,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2024-10-11 08:22:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1196. [2024-10-11 08:22:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 909 states have (on average 1.4653465346534653) internal successors, (1332), 920 states have internal predecessors, (1332), 257 states have call successors, (257), 29 states have call predecessors, (257), 29 states have return successors, (257), 246 states have call predecessors, (257), 257 states have call successors, (257) [2024-10-11 08:22:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1846 transitions. [2024-10-11 08:22:39,349 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1846 transitions. Word has length 407 [2024-10-11 08:22:39,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:22:39,350 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1846 transitions. [2024-10-11 08:22:39,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.857142857142858) internal successors, (138), 14 states have internal predecessors, (138), 3 states have call successors, (145), 2 states have call predecessors, (145), 4 states have return successors, (146), 3 states have call predecessors, (146), 3 states have call successors, (146) [2024-10-11 08:22:39,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1846 transitions. [2024-10-11 08:22:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-10-11 08:22:39,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:22:39,354 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:22:39,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 08:22:39,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:22:39,555 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:22:39,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:22:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1180408102, now seen corresponding path program 1 times [2024-10-11 08:22:39,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:22:39,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853094720] [2024-10-11 08:22:39,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:22:39,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:22:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:22:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 08:22:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 08:22:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 08:22:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 08:22:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 08:22:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 08:22:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:22:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:22:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 08:22:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 08:22:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 08:22:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 08:22:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 08:22:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 08:22:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 08:22:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:22:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 08:22:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:22:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:22:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:22:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 08:22:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:22:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 08:22:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:22:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 08:22:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:22:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 08:22:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:22:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 08:22:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:22:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 08:22:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 08:22:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 08:22:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 08:22:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 08:22:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 08:22:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 08:22:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 08:22:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:22:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:40,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 08:22:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 08:22:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 08:22:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 08:22:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 08:22:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 08:22:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 08:22:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 08:22:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 08:22:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 08:22:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-11 08:22:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-11 08:22:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-11 08:22:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-11 08:22:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 08:22:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 08:22:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 08:22:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 08:22:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 08:22:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-11 08:22:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 08:22:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:22:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 08:22:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 159 proven. 207 refuted. 0 times theorem prover too weak. 7446 trivial. 0 not checked. [2024-10-11 08:22:41,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:22:41,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853094720] [2024-10-11 08:22:41,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853094720] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:22:41,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132379594] [2024-10-11 08:22:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:22:41,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:22:41,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:22:41,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:22:41,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 08:22:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:22:41,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 08:22:41,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:22:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 3548 proven. 123 refuted. 0 times theorem prover too weak. 4141 trivial. 0 not checked. [2024-10-11 08:22:41,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 08:22:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 63 proven. 123 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-11 08:22:42,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132379594] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 08:22:42,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 08:22:42,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 16 [2024-10-11 08:22:42,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234889088] [2024-10-11 08:22:42,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 08:22:42,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 08:22:42,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:22:42,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 08:22:42,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-11 08:22:42,222 INFO L87 Difference]: Start difference. First operand 1196 states and 1846 transitions. Second operand has 16 states, 16 states have (on average 11.1875) internal successors, (179), 16 states have internal predecessors, (179), 5 states have call successors, (145), 2 states have call predecessors, (145), 4 states have return successors, (147), 5 states have call predecessors, (147), 5 states have call successors, (147) [2024-10-11 08:22:48,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:22:48,857 INFO L93 Difference]: Finished difference Result 5766 states and 8800 transitions. [2024-10-11 08:22:48,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-11 08:22:48,858 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.1875) internal successors, (179), 16 states have internal predecessors, (179), 5 states have call successors, (145), 2 states have call predecessors, (145), 4 states have return successors, (147), 5 states have call predecessors, (147), 5 states have call successors, (147) Word has length 407 [2024-10-11 08:22:48,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:22:48,879 INFO L225 Difference]: With dead ends: 5766 [2024-10-11 08:22:48,879 INFO L226 Difference]: Without dead ends: 4625 [2024-10-11 08:22:48,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1071 GetRequests, 951 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6067 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2680, Invalid=12082, Unknown=0, NotChecked=0, Total=14762 [2024-10-11 08:22:48,888 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 5758 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 2702 mSolverCounterSat, 1908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5759 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 4610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1908 IncrementalHoareTripleChecker+Valid, 2702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-11 08:22:48,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5759 Valid, 2741 Invalid, 4610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1908 Valid, 2702 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-11 08:22:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2024-10-11 08:22:49,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 2718. [2024-10-11 08:22:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2117 states have (on average 1.4865375531412377) internal successors, (3147), 2136 states have internal predecessors, (3147), 537 states have call successors, (537), 63 states have call predecessors, (537), 63 states have return successors, (537), 518 states have call predecessors, (537), 537 states have call successors, (537) [2024-10-11 08:22:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 4221 transitions. [2024-10-11 08:22:49,406 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 4221 transitions. Word has length 407 [2024-10-11 08:22:49,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:22:49,407 INFO L471 AbstractCegarLoop]: Abstraction has 2718 states and 4221 transitions. [2024-10-11 08:22:49,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.1875) internal successors, (179), 16 states have internal predecessors, (179), 5 states have call successors, (145), 2 states have call predecessors, (145), 4 states have return successors, (147), 5 states have call predecessors, (147), 5 states have call successors, (147) [2024-10-11 08:22:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 4221 transitions. [2024-10-11 08:22:49,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-10-11 08:22:49,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:22:49,412 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:22:49,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 08:22:49,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:22:49,617 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:22:49,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:22:49,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1356880698, now seen corresponding path program 1 times [2024-10-11 08:22:49,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:22:49,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999499612] [2024-10-11 08:22:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:22:49,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms