./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 a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:02:05,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:02:05,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:02:05,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:02:05,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:02:05,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:02:05,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:02:05,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:02:05,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:02:05,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:02:05,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:02:05,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:02:05,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:02:05,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:02:05,410 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:02:05,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:02:05,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:02:05,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:02:05,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:02:05,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:02:05,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:02:05,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:02:05,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:02:05,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:02:05,416 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:02:05,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:02:05,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:02:05,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:02:05,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:02:05,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:02:05,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:02:05,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:02:05,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:02:05,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:02:05,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:02:05,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:02:05,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:02:05,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:02:05,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:02:05,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:02:05,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:02:05,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:02:05,422 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3471f06dc12ad44598fd2961f3d0cb274ed30b5886ce0a764ca9d78e786b896 [2024-10-13 01:02:05,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:02:05,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:02:05,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:02:05,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:02:05,734 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:02:05,735 INFO L431 ainManager$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 [2024-10-13 01:02:07,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:02:07,479 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:02:07,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-10-13 01:02:07,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dddb6f48/f9b8b92d4bd747419218796cd04a9388/FLAGce8f19330 [2024-10-13 01:02:07,795 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dddb6f48/f9b8b92d4bd747419218796cd04a9388 [2024-10-13 01:02:07,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:02:07,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:02:07,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:02:07,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:02:07,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:02:07,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:07" (1/1) ... [2024-10-13 01:02:07,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0a18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:07, skipping insertion in model container [2024-10-13 01:02:07,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:07" (1/1) ... [2024-10-13 01:02:07,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:02:08,049 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] [2024-10-13 01:02:08,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:02:08,216 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:02:08,229 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] [2024-10-13 01:02:08,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:02:08,324 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:02:08,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08 WrapperNode [2024-10-13 01:02:08,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:02:08,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:02:08,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:02:08,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:02:08,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,406 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-10-13 01:02:08,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:02:08,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:02:08,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:02:08,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:02:08,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,467 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 01:02:08,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:02:08,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:02:08,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:02:08,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:02:08,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (1/1) ... [2024-10-13 01:02:08,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:02:08,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:02:08,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 01:02:08,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 01:02:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:02:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:02:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:02:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:02:08,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:02:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:02:08,796 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:02:08,798 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:02:09,769 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 01:02:09,769 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:02:09,829 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:02:09,829 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:02:09,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:09 BoogieIcfgContainer [2024-10-13 01:02:09,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:02:09,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:02:09,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:02:09,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:02:09,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:02:07" (1/3) ... [2024-10-13 01:02:09,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4809dd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:09, skipping insertion in model container [2024-10-13 01:02:09,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:08" (2/3) ... [2024-10-13 01:02:09,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4809dd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:09, skipping insertion in model container [2024-10-13 01:02:09,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:09" (3/3) ... [2024-10-13 01:02:09,845 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-95.i [2024-10-13 01:02:09,866 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:02:09,866 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:02:09,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:02:09,990 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;@10d665b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:02:09,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:02:09,997 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) [2024-10-13 01:02:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-10-13 01:02:10,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:02:10,031 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] [2024-10-13 01:02:10,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:02:10,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:02:10,038 INFO L85 PathProgramCache]: Analyzing trace with hash -849433921, now seen corresponding path program 1 times [2024-10-13 01:02:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:02:10,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205239563] [2024-10-13 01:02:10,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:02:10,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:02:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:02:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:02:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:02:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 01:02:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:02:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 01:02:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:02:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 01:02:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:02:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 01:02:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:02:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:02:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 01:02:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:02:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 01:02:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 01:02:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:02:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 01:02:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:02:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 01:02:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:02:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:02:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:02:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:02:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:02:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:02:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:02:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:02:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:02:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:02:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:02:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 01:02:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 01:02:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:02:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:02:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:02:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:02:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:02:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:02:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:02:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 01:02:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 01:02:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 01:02:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 01:02:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 01:02:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 01:02:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 01:02:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-13 01:02:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 01:02:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-13 01:02:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 01:02:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 01:02:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 01:02:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 01:02:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 01:02:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 01:02:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 01:02:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-13 01:02:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 01:02:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-13 01:02:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-13 01:02:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-13 01:02:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-13 01:02:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-13 01:02:10,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:02:10,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205239563] [2024-10-13 01:02:10,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205239563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:02:10,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:02:10,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:02:10,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312627567] [2024-10-13 01:02:10,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:02:10,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:02:10,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:02:10,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:02:10,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:02:10,999 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) [2024-10-13 01:02:11,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:02:11,083 INFO L93 Difference]: Finished difference Result 420 states and 771 transitions. [2024-10-13 01:02:11,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:02:11,086 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 [2024-10-13 01:02:11,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:02:11,096 INFO L225 Difference]: With dead ends: 420 [2024-10-13 01:02:11,096 INFO L226 Difference]: Without dead ends: 209 [2024-10-13 01:02:11,104 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 [2024-10-13 01:02:11,109 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 [2024-10-13 01:02:11,110 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] [2024-10-13 01:02:11,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-13 01:02:11,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-10-13 01:02:11,179 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) [2024-10-13 01:02:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 348 transitions. [2024-10-13 01:02:11,188 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 348 transitions. Word has length 404 [2024-10-13 01:02:11,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:02:11,190 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 348 transitions. [2024-10-13 01:02:11,190 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) [2024-10-13 01:02:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 348 transitions. [2024-10-13 01:02:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-10-13 01:02:11,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:02:11,202 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] [2024-10-13 01:02:11,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:02:11,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:02:11,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:02:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash 680057517, now seen corresponding path program 1 times [2024-10-13 01:02:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:02:11,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194621880] [2024-10-13 01:02:11,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:02:11,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:02:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:02:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:02:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:02:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 01:02:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:02:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 01:02:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:02:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 01:02:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:02:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 01:02:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:02:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:02:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 01:02:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:02:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 01:02:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 01:02:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:02:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 01:02:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:02:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 01:02:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:02:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:02:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:02:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:02:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:02:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:02:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:02:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:02:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:02:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:02:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:02:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 01:02:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 01:02:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:02:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:02:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:02:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:02:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:02:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:02:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:02:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 01:02:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 01:02:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 01:02:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 01:02:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 01:02:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 01:02:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 01:02:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-13 01:02:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 01:02:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-13 01:02:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 01:02:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 01:02:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 01:02:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 01:02:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 01:02:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 01:02:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 01:02:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-13 01:02:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 01:02:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-13 01:02:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-13 01:02:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-13 01:02:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-13 01:02:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-13 01:02:11,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:02:11,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194621880] [2024-10-13 01:02:11,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194621880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:02:11,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:02:11,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:02:11,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236204338] [2024-10-13 01:02:11,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:02:11,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:02:11,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:02:11,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:02:11,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:02:11,938 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) [2024-10-13 01:02:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:02:12,224 INFO L93 Difference]: Finished difference Result 763 states and 1274 transitions. [2024-10-13 01:02:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 01:02:12,225 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 [2024-10-13 01:02:12,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:02:12,233 INFO L225 Difference]: With dead ends: 763 [2024-10-13 01:02:12,235 INFO L226 Difference]: Without dead ends: 555 [2024-10-13 01:02:12,238 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 [2024-10-13 01:02:12,240 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 [2024-10-13 01:02:12,241 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] [2024-10-13 01:02:12,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-10-13 01:02:12,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 546. [2024-10-13 01:02:12,320 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) [2024-10-13 01:02:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 913 transitions. [2024-10-13 01:02:12,328 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 913 transitions. Word has length 404 [2024-10-13 01:02:12,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:02:12,331 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 913 transitions. [2024-10-13 01:02:12,332 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) [2024-10-13 01:02:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 913 transitions. [2024-10-13 01:02:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 01:02:12,340 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:02:12,341 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] [2024-10-13 01:02:12,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:02:12,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:02:12,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:02:12,342 INFO L85 PathProgramCache]: Analyzing trace with hash -205388370, now seen corresponding path program 1 times [2024-10-13 01:02:12,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:02:12,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760525556] [2024-10-13 01:02:12,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:02:12,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:02:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:02:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:02:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:02:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 01:02:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:02:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 01:02:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:02:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 01:02:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:02:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 01:02:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:02:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:02:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 01:02:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:02:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 01:02:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 01:02:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:02:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 01:02:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:02:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 01:02:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:02:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:02:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:02:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:02:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:02:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:02:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:02:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:02:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:02:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:02:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:02:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 01:02:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 01:02:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:02:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:02:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:02:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:02:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:02:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:02:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:02:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 01:02:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 01:02:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 01:02:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 01:02:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 01:02:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 01:02:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 01:02:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-13 01:02:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 01:02:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-13 01:02:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 01:02:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 01:02:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 01:02:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 01:02:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 01:02:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 01:02:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 01:02:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-13 01:02:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 01:02:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-13 01:02:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-13 01:02:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-13 01:02:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-13 01:02:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-13 01:02:13,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:02:13,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760525556] [2024-10-13 01:02:13,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760525556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:02:13,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:02:13,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:02:13,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048557606] [2024-10-13 01:02:13,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:02:13,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:02:13,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:02:13,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:02:13,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:02:13,325 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) [2024-10-13 01:02:13,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:02:13,459 INFO L93 Difference]: Finished difference Result 1431 states and 2382 transitions. [2024-10-13 01:02:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:02:13,460 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 [2024-10-13 01:02:13,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:02:13,472 INFO L225 Difference]: With dead ends: 1431 [2024-10-13 01:02:13,472 INFO L226 Difference]: Without dead ends: 886 [2024-10-13 01:02:13,475 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 [2024-10-13 01:02:13,477 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 [2024-10-13 01:02:13,479 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] [2024-10-13 01:02:13,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2024-10-13 01:02:13,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 883. [2024-10-13 01:02:13,566 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) [2024-10-13 01:02:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1465 transitions. [2024-10-13 01:02:13,572 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1465 transitions. Word has length 405 [2024-10-13 01:02:13,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:02:13,573 INFO L471 AbstractCegarLoop]: Abstraction has 883 states and 1465 transitions. [2024-10-13 01:02:13,574 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) [2024-10-13 01:02:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1465 transitions. [2024-10-13 01:02:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 01:02:13,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:02:13,581 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] [2024-10-13 01:02:13,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:02:13,582 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:02:13,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:02:13,583 INFO L85 PathProgramCache]: Analyzing trace with hash 107046061, now seen corresponding path program 1 times [2024-10-13 01:02:13,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:02:13,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5690754] [2024-10-13 01:02:13,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:02:13,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:02:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:02:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:02:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:02:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 01:02:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:02:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 01:02:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:02:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 01:02:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:02:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 01:02:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:02:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:02:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 01:02:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:02:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 01:02:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 01:02:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:02:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 01:02:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:02:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 01:02:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:02:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:02:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:02:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:02:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:02:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:02:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:02:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:02:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:02:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:02:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:02:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 01:02:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 01:02:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:02:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:02:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:02:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:02:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:02:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:02:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:02:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 01:02:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 01:02:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 01:02:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 01:02:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 01:02:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 01:02:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 01:02:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-13 01:02:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 01:02:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-13 01:02:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 01:02:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:13,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 01:02:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 01:02:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 01:02:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 01:02:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 01:02:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 01:02:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-13 01:02:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 01:02:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-13 01:02:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-13 01:02:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-13 01:02:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-13 01:02:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-13 01:02:14,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:02:14,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5690754] [2024-10-13 01:02:14,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5690754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:02:14,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:02:14,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:02:14,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015706021] [2024-10-13 01:02:14,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:02:14,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:02:14,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:02:14,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:02:14,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:02:14,077 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) [2024-10-13 01:02:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:02:14,152 INFO L93 Difference]: Finished difference Result 1440 states and 2386 transitions. [2024-10-13 01:02:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:02:14,153 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 [2024-10-13 01:02:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:02:14,165 INFO L225 Difference]: With dead ends: 1440 [2024-10-13 01:02:14,165 INFO L226 Difference]: Without dead ends: 895 [2024-10-13 01:02:14,168 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 [2024-10-13 01:02:14,169 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 [2024-10-13 01:02:14,171 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] [2024-10-13 01:02:14,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-10-13 01:02:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 726. [2024-10-13 01:02:14,236 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) [2024-10-13 01:02:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1195 transitions. [2024-10-13 01:02:14,242 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1195 transitions. Word has length 405 [2024-10-13 01:02:14,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:02:14,243 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 1195 transitions. [2024-10-13 01:02:14,243 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) [2024-10-13 01:02:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1195 transitions. [2024-10-13 01:02:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-13 01:02:14,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:02:14,253 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] [2024-10-13 01:02:14,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:02:14,254 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:02:14,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:02:14,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1749107091, now seen corresponding path program 1 times [2024-10-13 01:02:14,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:02:14,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549676600] [2024-10-13 01:02:14,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:02:14,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:02:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:02:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:02:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:02:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 01:02:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:02:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 01:02:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:02:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 01:02:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:02:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 01:02:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:02:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:02:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 01:02:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:02:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 01:02:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 01:02:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:02:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 01:02:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:02:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 01:02:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:02:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:02:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:02:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:02:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:02:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:02:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:02:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:02:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:02:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:02:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:02:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 01:02:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 01:02:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:02:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:02:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:02:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:02:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:02:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:02:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:02:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 01:02:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 01:02:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 01:02:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 01:02:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 01:02:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 01:02:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 01:02:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-13 01:02:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 01:02:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-13 01:02:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 01:02:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 01:02:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 01:02:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 01:02:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 01:02:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 01:02:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 01:02:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-13 01:02:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 01:02:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-13 01:02:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-13 01:02:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-13 01:02:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-13 01:02:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-13 01:02:14,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:02:14,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549676600] [2024-10-13 01:02:14,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549676600] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:02:14,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:02:14,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:02:14,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266819111] [2024-10-13 01:02:14,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:02:14,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:02:14,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:02:14,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:02:14,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:02:14,857 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) [2024-10-13 01:02:14,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:02:14,985 INFO L93 Difference]: Finished difference Result 1514 states and 2474 transitions. [2024-10-13 01:02:14,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:02:14,986 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 [2024-10-13 01:02:14,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:02:14,992 INFO L225 Difference]: With dead ends: 1514 [2024-10-13 01:02:14,993 INFO L226 Difference]: Without dead ends: 789 [2024-10-13 01:02:14,995 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 [2024-10-13 01:02:14,996 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 212 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-10-13 01:02:14,996 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] [2024-10-13 01:02:14,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-10-13 01:02:15,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 788. [2024-10-13 01:02:15,066 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) [2024-10-13 01:02:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1274 transitions. [2024-10-13 01:02:15,072 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1274 transitions. Word has length 405 [2024-10-13 01:02:15,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:02:15,073 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1274 transitions. [2024-10-13 01:02:15,074 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) [2024-10-13 01:02:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1274 transitions. [2024-10-13 01:02:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-10-13 01:02:15,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:02:15,080 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] [2024-10-13 01:02:15,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 01:02:15,081 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:02:15,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:02:15,081 INFO L85 PathProgramCache]: Analyzing trace with hash 253298140, now seen corresponding path program 1 times [2024-10-13 01:02:15,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:02:15,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140491807] [2024-10-13 01:02:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:02:15,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:02:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:02:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:02:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:02:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 01:02:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:02:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 01:02:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:02:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 01:02:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:02:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 01:02:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:02:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:02:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 01:02:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:02:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 01:02:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 01:02:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:02:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 01:02:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:02:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 01:02:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:02:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:02:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:02:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:02:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:02:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:02:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:02:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:02:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:02:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 01:02:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:02:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 01:02:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 01:02:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:02:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:02:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:02:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:02:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:02:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:02:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:02:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 01:02:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 01:02:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 01:02:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 01:02:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 01:02:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 01:02:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 01:02:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-13 01:02:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 01:02:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-13 01:02:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 01:02:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 01:02:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 01:02:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-13 01:02:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 01:02:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 01:02:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 01:02:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-13 01:02:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 01:02:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-13 01:02:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-13 01:02:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-13 01:02:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-13 01:02:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:02:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-13 01:02:24,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:02:24,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140491807] [2024-10-13 01:02:24,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140491807] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:02:24,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:02:24,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 01:02:24,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603226944] [2024-10-13 01:02:24,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:02:24,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 01:02:24,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:02:24,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 01:02:24,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:02:24,509 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) [2024-10-13 01:02:31,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:02:31,027 INFO L93 Difference]: Finished difference Result 1817 states and 2924 transitions. [2024-10-13 01:02:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 01:02:31,028 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 [2024-10-13 01:02:31,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:02:31,038 INFO L225 Difference]: With dead ends: 1817 [2024-10-13 01:02:31,038 INFO L226 Difference]: Without dead ends: 1421 [2024-10-13 01:02:31,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-10-13 01:02:31,041 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 1558 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:02:31,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 3998 Invalid, 1899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-13 01:02:31,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-10-13 01:02:31,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1264. [2024-10-13 01:02:31,200 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) [2024-10-13 01:02:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 2036 transitions. [2024-10-13 01:02:31,209 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 2036 transitions. Word has length 407 [2024-10-13 01:02:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:02:31,210 INFO L471 AbstractCegarLoop]: Abstraction has 1264 states and 2036 transitions. [2024-10-13 01:02:31,210 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) [2024-10-13 01:02:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2036 transitions. [2024-10-13 01:02:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-10-13 01:02:31,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:02:31,218 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] [2024-10-13 01:02:31,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 01:02:31,218 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:02:31,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:02:31,219 INFO L85 PathProgramCache]: Analyzing trace with hash -170348582, now seen corresponding path program 1 times [2024-10-13 01:02:31,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:02:31,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033082012] [2024-10-13 01:02:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:02:31,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:02:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat