./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.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 6abe9611945b9347dad66f4454ebe10d21d58cf2fa4c1fd6e8973cdda78a961e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:54:28,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:54:28,541 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:54:28,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:54:28,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:54:28,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:54:28,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:54:28,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:54:28,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:54:28,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:54:28,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:54:28,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:54:28,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:54:28,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:54:28,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:54:28,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:54:28,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:54:28,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:54:28,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:54:28,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:54:28,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:54:28,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:54:28,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:54:28,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:54:28,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:54:28,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:54:28,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:54:28,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:54:28,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:54:28,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:54:28,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:54:28,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:54:28,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:54:28,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:54:28,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:54:28,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:54:28,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:54:28,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:54:28,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:54:28,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:54:28,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:54:28,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:54:28,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6abe9611945b9347dad66f4454ebe10d21d58cf2fa4c1fd6e8973cdda78a961e [2024-11-12 02:54:28,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:54:28,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:54:28,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:54:28,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:54:28,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:54:28,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i [2024-11-12 02:54:30,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:54:30,834 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:54:30,835 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i [2024-11-12 02:54:30,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2a64dd6/93602ab69328444b97adda99aa987ca0/FLAG58bfb379f [2024-11-12 02:54:30,866 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2a64dd6/93602ab69328444b97adda99aa987ca0 [2024-11-12 02:54:30,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:54:30,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:54:30,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:54:30,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:54:30,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:54:30,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:54:30" (1/1) ... [2024-11-12 02:54:30,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11acd1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:30, skipping insertion in model container [2024-11-12 02:54:30,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:54:30" (1/1) ... [2024-11-12 02:54:30,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:54:31,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i[919,932] [2024-11-12 02:54:31,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:54:31,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:54:31,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i[919,932] [2024-11-12 02:54:31,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:54:31,290 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:54:31,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31 WrapperNode [2024-11-12 02:54:31,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:54:31,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:54:31,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:54:31,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:54:31,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,391 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-12 02:54:31,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:54:31,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:54:31,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:54:31,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:54:31,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,440 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]. [2024-11-12 02:54:31,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:54:31,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:54:31,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:54:31,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:54:31,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (1/1) ... [2024-11-12 02:54:31,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:54:31,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:54:31,514 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) [2024-11-12 02:54:31,516 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 [2024-11-12 02:54:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:54:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:54:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:54:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:54:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:54:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:54:31,648 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:54:31,650 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:54:32,098 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 02:54:32,098 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:54:32,117 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:54:32,118 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:54:32,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:54:32 BoogieIcfgContainer [2024-11-12 02:54:32,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:54:32,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:54:32,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:54:32,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:54:32,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:54:30" (1/3) ... [2024-11-12 02:54:32,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336720ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:54:32, skipping insertion in model container [2024-11-12 02:54:32,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:54:31" (2/3) ... [2024-11-12 02:54:32,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336720ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:54:32, skipping insertion in model container [2024-11-12 02:54:32,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:54:32" (3/3) ... [2024-11-12 02:54:32,128 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i [2024-11-12 02:54:32,141 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:54:32,142 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:54:32,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:54:32,212 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;@502c849c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:54:32,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:54:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 67 states have (on average 1.492537313432836) internal successors, (100), 68 states have internal predecessors, (100), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 02:54:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 02:54:32,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:32,231 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:32,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:32,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:32,236 INFO L85 PathProgramCache]: Analyzing trace with hash 109598789, now seen corresponding path program 1 times [2024-11-12 02:54:32,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:32,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876706248] [2024-11-12 02:54:32,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:32,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:32,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:32,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876706248] [2024-11-12 02:54:32,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876706248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:32,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:32,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:54:32,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679167945] [2024-11-12 02:54:32,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:32,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:54:32,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:32,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:54:32,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:54:32,861 INFO L87 Difference]: Start difference. First operand has 97 states, 67 states have (on average 1.492537313432836) internal successors, (100), 68 states have internal predecessors, (100), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 02:54:32,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:54:32,897 INFO L93 Difference]: Finished difference Result 187 states and 329 transitions. [2024-11-12 02:54:32,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:54:32,900 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-12 02:54:32,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:54:32,908 INFO L225 Difference]: With dead ends: 187 [2024-11-12 02:54:32,909 INFO L226 Difference]: Without dead ends: 93 [2024-11-12 02:54:32,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:54:32,919 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:54:32,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:54:32,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-12 02:54:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-12 02:54:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 02:54:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2024-11-12 02:54:32,973 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 174 [2024-11-12 02:54:32,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:54:32,974 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2024-11-12 02:54:32,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 02:54:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2024-11-12 02:54:32,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 02:54:32,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:32,978 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:32,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:54:32,978 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:32,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:32,979 INFO L85 PathProgramCache]: Analyzing trace with hash 744198851, now seen corresponding path program 1 times [2024-11-12 02:54:32,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:32,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256082888] [2024-11-12 02:54:32,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:32,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:33,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:33,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256082888] [2024-11-12 02:54:33,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256082888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:33,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:33,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:54:33,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005746569] [2024-11-12 02:54:33,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:33,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:54:33,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:33,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:54:33,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:54:33,322 INFO L87 Difference]: Start difference. First operand 93 states and 146 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:33,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:54:33,353 INFO L93 Difference]: Finished difference Result 184 states and 291 transitions. [2024-11-12 02:54:33,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:54:33,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 02:54:33,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:54:33,357 INFO L225 Difference]: With dead ends: 184 [2024-11-12 02:54:33,357 INFO L226 Difference]: Without dead ends: 94 [2024-11-12 02:54:33,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:54:33,359 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:54:33,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:54:33,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-12 02:54:33,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-12 02:54:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 02:54:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2024-11-12 02:54:33,378 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 174 [2024-11-12 02:54:33,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:54:33,380 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2024-11-12 02:54:33,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2024-11-12 02:54:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 02:54:33,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:33,386 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:33,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:54:33,386 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:33,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:33,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1775761083, now seen corresponding path program 1 times [2024-11-12 02:54:33,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:33,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508330119] [2024-11-12 02:54:33,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:33,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:33,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:33,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508330119] [2024-11-12 02:54:33,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508330119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:33,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:33,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 02:54:33,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464076747] [2024-11-12 02:54:33,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:33,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 02:54:33,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:33,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 02:54:33,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:54:33,771 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:34,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:54:34,012 INFO L93 Difference]: Finished difference Result 277 states and 436 transitions. [2024-11-12 02:54:34,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 02:54:34,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 02:54:34,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:54:34,016 INFO L225 Difference]: With dead ends: 277 [2024-11-12 02:54:34,016 INFO L226 Difference]: Without dead ends: 186 [2024-11-12 02:54:34,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:54:34,018 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 114 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:54:34,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 500 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:54:34,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-12 02:54:34,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 141. [2024-11-12 02:54:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 84 states have internal predecessors, (112), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 02:54:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 220 transitions. [2024-11-12 02:54:34,035 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 220 transitions. Word has length 174 [2024-11-12 02:54:34,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:54:34,036 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 220 transitions. [2024-11-12 02:54:34,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2024-11-12 02:54:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 02:54:34,038 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:34,038 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:34,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:54:34,038 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:34,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:34,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1353059257, now seen corresponding path program 1 times [2024-11-12 02:54:34,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:34,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210987015] [2024-11-12 02:54:34,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:34,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:41,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:41,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:41,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210987015] [2024-11-12 02:54:41,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210987015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:41,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:41,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 02:54:41,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102239503] [2024-11-12 02:54:41,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:41,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 02:54:41,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:41,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 02:54:41,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:54:41,849 INFO L87 Difference]: Start difference. First operand 141 states and 220 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:54:45,127 INFO L93 Difference]: Finished difference Result 464 states and 727 transitions. [2024-11-12 02:54:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 02:54:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 02:54:45,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:54:45,131 INFO L225 Difference]: With dead ends: 464 [2024-11-12 02:54:45,131 INFO L226 Difference]: Without dead ends: 373 [2024-11-12 02:54:45,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2024-11-12 02:54:45,133 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 1292 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-12 02:54:45,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 1001 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-12 02:54:45,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-12 02:54:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 183. [2024-11-12 02:54:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 126 states have internal predecessors, (177), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 02:54:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 285 transitions. [2024-11-12 02:54:45,152 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 285 transitions. Word has length 174 [2024-11-12 02:54:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:54:45,152 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 285 transitions. [2024-11-12 02:54:45,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 285 transitions. [2024-11-12 02:54:45,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 02:54:45,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:45,154 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:45,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:54:45,155 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:45,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:45,155 INFO L85 PathProgramCache]: Analyzing trace with hash -651994679, now seen corresponding path program 1 times [2024-11-12 02:54:45,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:45,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612353416] [2024-11-12 02:54:45,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:45,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:45,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:45,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612353416] [2024-11-12 02:54:45,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612353416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:45,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:45,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:54:45,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850610533] [2024-11-12 02:54:45,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:45,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:54:45,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:45,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:54:45,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:54:45,455 INFO L87 Difference]: Start difference. First operand 183 states and 285 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:45,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:54:45,513 INFO L93 Difference]: Finished difference Result 357 states and 557 transitions. [2024-11-12 02:54:45,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:54:45,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 02:54:45,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:54:45,516 INFO L225 Difference]: With dead ends: 357 [2024-11-12 02:54:45,517 INFO L226 Difference]: Without dead ends: 266 [2024-11-12 02:54:45,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:54:45,520 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 116 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:54:45,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 397 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:54:45,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-12 02:54:45,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 197. [2024-11-12 02:54:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 140 states have (on average 1.4071428571428573) internal successors, (197), 140 states have internal predecessors, (197), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 02:54:45,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 305 transitions. [2024-11-12 02:54:45,552 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 305 transitions. Word has length 174 [2024-11-12 02:54:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:54:45,553 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 305 transitions. [2024-11-12 02:54:45,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 305 transitions. [2024-11-12 02:54:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 02:54:45,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:45,556 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:45,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 02:54:45,557 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:45,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:45,557 INFO L85 PathProgramCache]: Analyzing trace with hash 947763333, now seen corresponding path program 1 times [2024-11-12 02:54:45,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:45,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196485000] [2024-11-12 02:54:45,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:45,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:45,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:45,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196485000] [2024-11-12 02:54:45,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196485000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:45,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:45,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:54:45,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637644702] [2024-11-12 02:54:45,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:45,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:54:45,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:54:45,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:54:45,663 INFO L87 Difference]: Start difference. First operand 197 states and 305 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:45,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:54:45,697 INFO L93 Difference]: Finished difference Result 388 states and 605 transitions. [2024-11-12 02:54:45,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:54:45,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 02:54:45,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:54:45,701 INFO L225 Difference]: With dead ends: 388 [2024-11-12 02:54:45,701 INFO L226 Difference]: Without dead ends: 279 [2024-11-12 02:54:45,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:54:45,703 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 138 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:54:45,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 332 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:54:45,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-12 02:54:45,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 277. [2024-11-12 02:54:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 192 states have (on average 1.3958333333333333) internal successors, (268), 192 states have internal predecessors, (268), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:54:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 430 transitions. [2024-11-12 02:54:45,736 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 430 transitions. Word has length 174 [2024-11-12 02:54:45,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:54:45,736 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 430 transitions. [2024-11-12 02:54:45,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 430 transitions. [2024-11-12 02:54:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:54:45,738 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:45,738 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:45,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 02:54:45,739 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:45,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:45,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1391099721, now seen corresponding path program 1 times [2024-11-12 02:54:45,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:45,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684756466] [2024-11-12 02:54:45,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:45,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:50,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:50,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684756466] [2024-11-12 02:54:50,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684756466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:50,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:50,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:54:50,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652484860] [2024-11-12 02:54:50,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:50,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:54:50,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:50,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:54:50,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:54:50,665 INFO L87 Difference]: Start difference. First operand 277 states and 430 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:53,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:54:53,632 INFO L93 Difference]: Finished difference Result 431 states and 660 transitions. [2024-11-12 02:54:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 02:54:53,633 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 02:54:53,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:54:53,635 INFO L225 Difference]: With dead ends: 431 [2024-11-12 02:54:53,635 INFO L226 Difference]: Without dead ends: 429 [2024-11-12 02:54:53,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2024-11-12 02:54:53,636 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 733 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-12 02:54:53,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 1218 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-12 02:54:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-12 02:54:53,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 278. [2024-11-12 02:54:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 193 states have (on average 1.3937823834196892) internal successors, (269), 193 states have internal predecessors, (269), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:54:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 431 transitions. [2024-11-12 02:54:53,655 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 431 transitions. Word has length 175 [2024-11-12 02:54:53,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:54:53,655 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 431 transitions. [2024-11-12 02:54:53,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 431 transitions. [2024-11-12 02:54:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:54:53,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:53,657 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:53,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 02:54:53,657 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:53,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:53,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1339895313, now seen corresponding path program 1 times [2024-11-12 02:54:53,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:53,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146205669] [2024-11-12 02:54:53,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:53,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:53,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:53,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146205669] [2024-11-12 02:54:53,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146205669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:53,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:53,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:54:53,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997999974] [2024-11-12 02:54:53,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:53,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:54:53,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:53,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:54:53,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:54:53,857 INFO L87 Difference]: Start difference. First operand 278 states and 431 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:53,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:54:53,891 INFO L93 Difference]: Finished difference Result 529 states and 827 transitions. [2024-11-12 02:54:53,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:54:53,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 02:54:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:54:53,895 INFO L225 Difference]: With dead ends: 529 [2024-11-12 02:54:53,895 INFO L226 Difference]: Without dead ends: 340 [2024-11-12 02:54:53,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:54:53,897 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 47 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:54:53,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 403 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:54:53,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-12 02:54:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 278. [2024-11-12 02:54:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 193 states have (on average 1.378238341968912) internal successors, (266), 193 states have internal predecessors, (266), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:54:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 428 transitions. [2024-11-12 02:54:53,914 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 428 transitions. Word has length 175 [2024-11-12 02:54:53,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:54:53,915 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 428 transitions. [2024-11-12 02:54:53,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:54:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 428 transitions. [2024-11-12 02:54:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:54:53,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:54:53,918 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:54:53,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 02:54:53,918 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:54:53,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:54:53,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1943954733, now seen corresponding path program 1 times [2024-11-12 02:54:53,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:54:53,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933983474] [2024-11-12 02:54:53,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:54:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:54:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:54:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:54:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:54:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:54:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:54:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:54:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:54:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:54:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:54:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:54:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:54:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:54:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:54:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:54:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:54:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:54:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:54:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:54:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:54:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:54:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:54:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:54:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:54:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:54:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:54:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:54:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:54:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:54:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:54:58,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:54:58,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933983474] [2024-11-12 02:54:58,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933983474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:54:58,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:54:58,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 02:54:58,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102285002] [2024-11-12 02:54:58,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:54:58,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 02:54:58,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:54:58,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 02:54:58,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:54:58,766 INFO L87 Difference]: Start difference. First operand 278 states and 428 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 02:55:02,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:02,536 INFO L93 Difference]: Finished difference Result 431 states and 654 transitions. [2024-11-12 02:55:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 02:55:02,536 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-11-12 02:55:02,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:02,541 INFO L225 Difference]: With dead ends: 431 [2024-11-12 02:55:02,541 INFO L226 Difference]: Without dead ends: 429 [2024-11-12 02:55:02,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2024-11-12 02:55:02,542 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 1049 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 1322 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:02,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1049 Valid, 1322 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 02:55:02,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-12 02:55:02,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 281. [2024-11-12 02:55:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 196 states have (on average 1.3775510204081634) internal successors, (270), 196 states have internal predecessors, (270), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:55:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 432 transitions. [2024-11-12 02:55:02,567 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 432 transitions. Word has length 175 [2024-11-12 02:55:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:02,569 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 432 transitions. [2024-11-12 02:55:02,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 02:55:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 432 transitions. [2024-11-12 02:55:02,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:55:02,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:02,571 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:02,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 02:55:02,571 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:02,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:02,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1888325872, now seen corresponding path program 1 times [2024-11-12 02:55:02,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:02,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607692141] [2024-11-12 02:55:02,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:02,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:55:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:55:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:55:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:55:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:55:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:55:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:55:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:55:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:55:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:55:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:55:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:55:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:55:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:55:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:55:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:55:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:55:02,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:02,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607692141] [2024-11-12 02:55:02,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607692141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:02,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:02,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:55:02,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962169449] [2024-11-12 02:55:02,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:02,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:55:02,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:02,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:55:02,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:55:02,740 INFO L87 Difference]: Start difference. First operand 281 states and 432 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:55:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:02,790 INFO L93 Difference]: Finished difference Result 544 states and 835 transitions. [2024-11-12 02:55:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:55:02,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 02:55:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:02,793 INFO L225 Difference]: With dead ends: 544 [2024-11-12 02:55:02,793 INFO L226 Difference]: Without dead ends: 355 [2024-11-12 02:55:02,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:55:02,794 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 110 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:02,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 451 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:55:02,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-12 02:55:02,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 291. [2024-11-12 02:55:02,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 206 states have (on average 1.3737864077669903) internal successors, (283), 206 states have internal predecessors, (283), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:55:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 445 transitions. [2024-11-12 02:55:02,809 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 445 transitions. Word has length 175 [2024-11-12 02:55:02,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:02,809 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 445 transitions. [2024-11-12 02:55:02,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:55:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 445 transitions. [2024-11-12 02:55:02,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:55:02,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:02,811 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:02,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 02:55:02,812 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:02,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:02,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1705576846, now seen corresponding path program 1 times [2024-11-12 02:55:02,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:02,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312951846] [2024-11-12 02:55:02,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:02,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:55:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:55:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:55:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:55:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:55:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:55:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:55:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:55:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:55:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:55:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:55:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:55:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:55:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:55:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:55:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:55:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:55:09,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:09,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312951846] [2024-11-12 02:55:09,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312951846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:09,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:09,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:55:09,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878195343] [2024-11-12 02:55:09,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:09,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:55:09,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:09,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:55:09,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:55:09,477 INFO L87 Difference]: Start difference. First operand 291 states and 445 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:55:14,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:14,809 INFO L93 Difference]: Finished difference Result 524 states and 790 transitions. [2024-11-12 02:55:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 02:55:14,810 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 02:55:14,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:14,813 INFO L225 Difference]: With dead ends: 524 [2024-11-12 02:55:14,813 INFO L226 Difference]: Without dead ends: 522 [2024-11-12 02:55:14,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=251, Invalid=741, Unknown=0, NotChecked=0, Total=992 [2024-11-12 02:55:14,815 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 578 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:14,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1248 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 02:55:14,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-12 02:55:14,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 335. [2024-11-12 02:55:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 250 states have (on average 1.4) internal successors, (350), 250 states have internal predecessors, (350), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:55:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 512 transitions. [2024-11-12 02:55:14,834 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 512 transitions. Word has length 175 [2024-11-12 02:55:14,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:14,835 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 512 transitions. [2024-11-12 02:55:14,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:55:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 512 transitions. [2024-11-12 02:55:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:55:14,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:14,837 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:14,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 02:55:14,837 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:14,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1568322096, now seen corresponding path program 1 times [2024-11-12 02:55:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704376139] [2024-11-12 02:55:14,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:55:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:55:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:55:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:55:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:55:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:55:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:55:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:55:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:55:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:55:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:55:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:55:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:55:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:55:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:55:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:55:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:55:23,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:23,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704376139] [2024-11-12 02:55:23,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704376139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:23,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:23,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 02:55:23,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097980022] [2024-11-12 02:55:23,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:23,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 02:55:23,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:23,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 02:55:23,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:55:23,857 INFO L87 Difference]: Start difference. First operand 335 states and 512 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:55:29,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:29,741 INFO L93 Difference]: Finished difference Result 516 states and 782 transitions. [2024-11-12 02:55:29,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 02:55:29,742 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 02:55:29,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:29,745 INFO L225 Difference]: With dead ends: 516 [2024-11-12 02:55:29,745 INFO L226 Difference]: Without dead ends: 514 [2024-11-12 02:55:29,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2024-11-12 02:55:29,746 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 672 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:29,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 1171 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-12 02:55:29,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-12 02:55:29,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 335. [2024-11-12 02:55:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 250 states have (on average 1.4) internal successors, (350), 250 states have internal predecessors, (350), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:55:29,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 512 transitions. [2024-11-12 02:55:29,761 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 512 transitions. Word has length 175 [2024-11-12 02:55:29,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:29,761 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 512 transitions. [2024-11-12 02:55:29,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:55:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 512 transitions. [2024-11-12 02:55:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 02:55:29,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:29,763 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:29,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 02:55:29,763 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:29,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:29,763 INFO L85 PathProgramCache]: Analyzing trace with hash 519318307, now seen corresponding path program 1 times [2024-11-12 02:55:29,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:29,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456697692] [2024-11-12 02:55:29,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:29,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:55:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:55:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:55:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:55:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:55:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:55:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:55:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:55:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:55:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:34,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:55:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:55:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:55:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:55:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:55:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:55:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:55:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:55:35,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:35,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456697692] [2024-11-12 02:55:35,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456697692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:35,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:35,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 02:55:35,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359985765] [2024-11-12 02:55:35,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:35,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 02:55:35,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:35,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 02:55:35,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-11-12 02:55:35,026 INFO L87 Difference]: Start difference. First operand 335 states and 512 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 02:55:40,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:40,129 INFO L93 Difference]: Finished difference Result 499 states and 759 transitions. [2024-11-12 02:55:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 02:55:40,130 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 176 [2024-11-12 02:55:40,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:40,133 INFO L225 Difference]: With dead ends: 499 [2024-11-12 02:55:40,133 INFO L226 Difference]: Without dead ends: 497 [2024-11-12 02:55:40,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=245, Invalid=811, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 02:55:40,134 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 634 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:40,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 1811 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-12 02:55:40,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-12 02:55:40,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 333. [2024-11-12 02:55:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 248 states have (on average 1.3991935483870968) internal successors, (347), 248 states have internal predecessors, (347), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:55:40,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 509 transitions. [2024-11-12 02:55:40,149 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 509 transitions. Word has length 176 [2024-11-12 02:55:40,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:40,149 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 509 transitions. [2024-11-12 02:55:40,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 02:55:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 509 transitions. [2024-11-12 02:55:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 02:55:40,151 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:40,151 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:40,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 02:55:40,151 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:40,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:40,152 INFO L85 PathProgramCache]: Analyzing trace with hash -245946368, now seen corresponding path program 1 times [2024-11-12 02:55:40,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:40,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161207613] [2024-11-12 02:55:40,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:40,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:55:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:55:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:55:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:55:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:55:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:55:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:55:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:55:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:55:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:55:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:55:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:55:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:55:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:55:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:55:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 02:55:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 02:55:46,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:46,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161207613] [2024-11-12 02:55:46,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161207613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:46,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:46,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 02:55:46,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408603756] [2024-11-12 02:55:46,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:46,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 02:55:46,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:46,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 02:55:46,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:55:46,526 INFO L87 Difference]: Start difference. First operand 333 states and 509 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:55:56,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:56,199 INFO L93 Difference]: Finished difference Result 551 states and 835 transitions. [2024-11-12 02:55:56,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 02:55:56,200 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 02:55:56,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:56,202 INFO L225 Difference]: With dead ends: 551 [2024-11-12 02:55:56,202 INFO L226 Difference]: Without dead ends: 549 [2024-11-12 02:55:56,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=280, Invalid=842, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 02:55:56,203 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 552 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:56,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1657 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-12 02:55:56,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-12 02:55:56,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 343. [2024-11-12 02:55:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 258 states have (on average 1.3992248062015504) internal successors, (361), 258 states have internal predecessors, (361), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 02:55:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 523 transitions. [2024-11-12 02:55:56,221 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 523 transitions. Word has length 176 [2024-11-12 02:55:56,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:56,221 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 523 transitions. [2024-11-12 02:55:56,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 02:55:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 523 transitions. [2024-11-12 02:55:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 02:55:56,223 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:56,223 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:56,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 02:55:56,223 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:56,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash 48743206, now seen corresponding path program 1 times [2024-11-12 02:55:56,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:56,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208320248] [2024-11-12 02:55:56,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:56,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat