./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-25.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_loopvsstraightlinecode_25-while_file-25.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 7c1e6f9b7837b3a4d3a233b1a377077cbc39874bd10e396a331467935604efb0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 05:28:55,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 05:28:56,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 05:28:56,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 05:28:56,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 05:28:56,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 05:28:56,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 05:28:56,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 05:28:56,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 05:28:56,084 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 05:28:56,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 05:28:56,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 05:28:56,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 05:28:56,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 05:28:56,086 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 05:28:56,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 05:28:56,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 05:28:56,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 05:28:56,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 05:28:56,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 05:28:56,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 05:28:56,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 05:28:56,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 05:28:56,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 05:28:56,093 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 05:28:56,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 05:28:56,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 05:28:56,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 05:28:56,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 05:28:56,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 05:28:56,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 05:28:56,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 05:28:56,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:28:56,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 05:28:56,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 05:28:56,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 05:28:56,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 05:28:56,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 05:28:56,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 05:28:56,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 05:28:56,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 05:28:56,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 05:28:56,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c1e6f9b7837b3a4d3a233b1a377077cbc39874bd10e396a331467935604efb0 [2024-11-12 05:28:56,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 05:28:56,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 05:28:56,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 05:28:56,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 05:28:56,418 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 05:28:56,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-25.i [2024-11-12 05:28:57,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 05:28:58,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 05:28:58,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-25.i [2024-11-12 05:28:58,051 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab8bc383/1f0ba2bd2b914fbcbf506797fa4d3fdb/FLAG9d18e7d3a [2024-11-12 05:28:58,426 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab8bc383/1f0ba2bd2b914fbcbf506797fa4d3fdb [2024-11-12 05:28:58,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 05:28:58,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 05:28:58,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 05:28:58,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 05:28:58,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 05:28:58,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331cebf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58, skipping insertion in model container [2024-11-12 05:28:58,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 05:28:58,651 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_loopvsstraightlinecode_25-while_file-25.i[915,928] [2024-11-12 05:28:58,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:28:58,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 05:28:58,738 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_loopvsstraightlinecode_25-while_file-25.i[915,928] [2024-11-12 05:28:58,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:28:58,789 INFO L204 MainTranslator]: Completed translation [2024-11-12 05:28:58,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58 WrapperNode [2024-11-12 05:28:58,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 05:28:58,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 05:28:58,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 05:28:58,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 05:28:58,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,849 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-12 05:28:58,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 05:28:58,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 05:28:58,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 05:28:58,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 05:28:58,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,864 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,876 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 05:28:58,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 05:28:58,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 05:28:58,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 05:28:58,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 05:28:58,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (1/1) ... [2024-11-12 05:28:58,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:28:58,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:28:58,930 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 05:28:58,934 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 05:28:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 05:28:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 05:28:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 05:28:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 05:28:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 05:28:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 05:28:59,071 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 05:28:59,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 05:28:59,461 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-12 05:28:59,462 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 05:28:59,483 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 05:28:59,484 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 05:28:59,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:28:59 BoogieIcfgContainer [2024-11-12 05:28:59,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 05:28:59,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 05:28:59,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 05:28:59,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 05:28:59,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:28:58" (1/3) ... [2024-11-12 05:28:59,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602f5bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:28:59, skipping insertion in model container [2024-11-12 05:28:59,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:28:58" (2/3) ... [2024-11-12 05:28:59,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602f5bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:28:59, skipping insertion in model container [2024-11-12 05:28:59,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:28:59" (3/3) ... [2024-11-12 05:28:59,498 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-25.i [2024-11-12 05:28:59,516 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 05:28:59,516 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 05:28:59,587 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 05:28:59,593 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;@39e141c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 05:28:59,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 05:28:59,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 05:28:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 05:28:59,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:28:59,611 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:59,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:28:59,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:28:59,617 INFO L85 PathProgramCache]: Analyzing trace with hash 541245253, now seen corresponding path program 1 times [2024-11-12 05:28:59,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:28:59,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538452792] [2024-11-12 05:28:59,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:28:59,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:28:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:28:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:28:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:28:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:28:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:28:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:28:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:28:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:28:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:28:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:28:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:28:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:28:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:28:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:28:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:28:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:28:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:28:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:28:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:28:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:28:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:28:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:28:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:00,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-12 05:29:00,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:00,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538452792] [2024-11-12 05:29:00,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538452792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:00,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:00,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 05:29:00,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897590091] [2024-11-12 05:29:00,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:00,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 05:29:00,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:00,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 05:29:00,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:29:00,072 INFO L87 Difference]: Start difference. First operand has 58 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-12 05:29:00,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:00,098 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2024-11-12 05:29:00,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 05:29:00,102 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2024-11-12 05:29:00,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:00,111 INFO L225 Difference]: With dead ends: 109 [2024-11-12 05:29:00,111 INFO L226 Difference]: Without dead ends: 54 [2024-11-12 05:29:00,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 05:29:00,118 INFO L435 NwaCegarLoop]: 80 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, 80 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 05:29:00,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:29:00,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-12 05:29:00,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-12 05:29:00,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-12 05:29:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2024-11-12 05:29:00,168 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 139 [2024-11-12 05:29:00,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:00,169 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2024-11-12 05:29:00,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-12 05:29:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-11-12 05:29:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 05:29:00,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:00,175 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:00,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 05:29:00,177 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:00,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:00,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2026429689, now seen corresponding path program 1 times [2024-11-12 05:29:00,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:00,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050484382] [2024-11-12 05:29:00,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-12 05:29:02,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:02,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050484382] [2024-11-12 05:29:02,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050484382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:02,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:02,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:29:02,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344118396] [2024-11-12 05:29:02,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:02,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:29:02,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:29:02,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:29:02,871 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:03,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:03,843 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2024-11-12 05:29:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:29:03,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-12 05:29:03,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:03,847 INFO L225 Difference]: With dead ends: 90 [2024-11-12 05:29:03,847 INFO L226 Difference]: Without dead ends: 88 [2024-11-12 05:29:03,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:29:03,852 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 40 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:03,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 442 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 05:29:03,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-12 05:29:03,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 72. [2024-11-12 05:29:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 43 states have internal predecessors, (49), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 05:29:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 103 transitions. [2024-11-12 05:29:03,887 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 103 transitions. Word has length 139 [2024-11-12 05:29:03,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:03,888 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 103 transitions. [2024-11-12 05:29:03,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2024-11-12 05:29:03,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 05:29:03,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:03,890 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:03,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 05:29:03,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:03,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:03,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2024582647, now seen corresponding path program 1 times [2024-11-12 05:29:03,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:03,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953941646] [2024-11-12 05:29:03,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:03,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-12 05:29:08,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:08,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953941646] [2024-11-12 05:29:08,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953941646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:08,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:08,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:29:08,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956540283] [2024-11-12 05:29:08,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:08,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:29:08,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:08,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:29:08,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:29:08,173 INFO L87 Difference]: Start difference. First operand 72 states and 103 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:08,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:08,895 INFO L93 Difference]: Finished difference Result 87 states and 119 transitions. [2024-11-12 05:29:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:29:08,896 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-12 05:29:08,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:08,901 INFO L225 Difference]: With dead ends: 87 [2024-11-12 05:29:08,901 INFO L226 Difference]: Without dead ends: 85 [2024-11-12 05:29:08,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:29:08,903 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 23 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:08,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 368 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:29:08,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-12 05:29:08,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 75. [2024-11-12 05:29:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 46 states have internal predecessors, (52), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 05:29:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2024-11-12 05:29:08,925 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 139 [2024-11-12 05:29:08,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:08,926 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2024-11-12 05:29:08,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2024-11-12 05:29:08,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 05:29:08,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:08,929 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:08,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 05:29:08,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:08,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:08,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1969171387, now seen corresponding path program 1 times [2024-11-12 05:29:08,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:08,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147457986] [2024-11-12 05:29:08,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:08,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-12 05:29:10,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:10,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147457986] [2024-11-12 05:29:10,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147457986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:10,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:10,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:29:10,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649774315] [2024-11-12 05:29:10,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:10,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:29:10,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:10,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:29:10,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:29:10,797 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:11,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:11,309 INFO L93 Difference]: Finished difference Result 103 states and 138 transitions. [2024-11-12 05:29:11,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:29:11,310 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-12 05:29:11,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:11,311 INFO L225 Difference]: With dead ends: 103 [2024-11-12 05:29:11,312 INFO L226 Difference]: Without dead ends: 101 [2024-11-12 05:29:11,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:29:11,313 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 40 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:11,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 400 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:29:11,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-12 05:29:11,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 76. [2024-11-12 05:29:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 46 states have (on average 1.173913043478261) internal successors, (54), 47 states have internal predecessors, (54), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 05:29:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2024-11-12 05:29:11,332 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 139 [2024-11-12 05:29:11,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:11,332 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2024-11-12 05:29:11,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:11,333 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2024-11-12 05:29:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-12 05:29:11,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:11,335 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:11,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 05:29:11,335 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:11,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:11,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1967324345, now seen corresponding path program 1 times [2024-11-12 05:29:11,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:11,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007208532] [2024-11-12 05:29:11,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:11,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-12 05:29:13,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:13,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007208532] [2024-11-12 05:29:13,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007208532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:13,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:13,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:29:13,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722056798] [2024-11-12 05:29:13,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:13,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:29:13,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:13,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:29:13,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:29:13,298 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:14,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:14,410 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2024-11-12 05:29:14,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:29:14,411 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 139 [2024-11-12 05:29:14,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:14,416 INFO L225 Difference]: With dead ends: 90 [2024-11-12 05:29:14,416 INFO L226 Difference]: Without dead ends: 88 [2024-11-12 05:29:14,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-12 05:29:14,417 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 18 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:14,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 478 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:29:14,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-12 05:29:14,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75. [2024-11-12 05:29:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 46 states have internal predecessors, (52), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 05:29:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2024-11-12 05:29:14,437 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 139 [2024-11-12 05:29:14,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:14,438 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2024-11-12 05:29:14,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2024-11-12 05:29:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-12 05:29:14,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:14,440 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:14,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 05:29:14,440 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:14,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:14,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1027109963, now seen corresponding path program 1 times [2024-11-12 05:29:14,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:14,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952889246] [2024-11-12 05:29:14,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:14,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-12 05:29:14,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:14,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952889246] [2024-11-12 05:29:14,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952889246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:14,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:14,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:29:14,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633484671] [2024-11-12 05:29:14,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:14,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:29:14,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:14,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:29:14,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:29:14,622 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:14,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:14,747 INFO L93 Difference]: Finished difference Result 208 states and 295 transitions. [2024-11-12 05:29:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:29:14,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-12 05:29:14,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:14,750 INFO L225 Difference]: With dead ends: 208 [2024-11-12 05:29:14,750 INFO L226 Difference]: Without dead ends: 136 [2024-11-12 05:29:14,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:29:14,752 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 50 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:14,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 223 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 05:29:14,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-12 05:29:14,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 120. [2024-11-12 05:29:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 66 states have (on average 1.121212121212121) internal successors, (74), 67 states have internal predecessors, (74), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 05:29:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-12 05:29:14,789 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 140 [2024-11-12 05:29:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:14,789 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-12 05:29:14,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-12 05:29:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 05:29:14,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:14,794 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:29:14,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 05:29:14,794 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:14,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:14,795 INFO L85 PathProgramCache]: Analyzing trace with hash -180625310, now seen corresponding path program 1 times [2024-11-12 05:29:14,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:14,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421631391] [2024-11-12 05:29:14,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:14,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 05:29:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 05:29:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 05:29:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 05:29:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 05:29:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 05:29:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 05:29:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 05:29:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 05:29:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 05:29:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 05:29:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 05:29:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 05:29:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 05:29:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 05:29:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 05:29:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 05:29:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 05:29:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 05:29:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-12 05:29:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 05:29:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 05:29:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 05:29:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2024-11-12 05:29:18,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:18,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421631391] [2024-11-12 05:29:18,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421631391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:18,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:18,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:29:18,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518802738] [2024-11-12 05:29:18,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:18,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:29:18,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:18,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:29:18,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:29:18,795 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:21,165 INFO L93 Difference]: Finished difference Result 164 states and 223 transitions. [2024-11-12 05:29:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 05:29:21,166 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2024-11-12 05:29:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:21,169 INFO L225 Difference]: With dead ends: 164 [2024-11-12 05:29:21,169 INFO L226 Difference]: Without dead ends: 162 [2024-11-12 05:29:21,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-12 05:29:21,170 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 71 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:21,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 423 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:29:21,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-12 05:29:21,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 126. [2024-11-12 05:29:21,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 73 states have internal predecessors, (82), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 05:29:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-12 05:29:21,196 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 276 [2024-11-12 05:29:21,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:21,197 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-12 05:29:21,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-12 05:29:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 05:29:21,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:21,201 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:29:21,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 05:29:21,201 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:21,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:21,202 INFO L85 PathProgramCache]: Analyzing trace with hash -178778268, now seen corresponding path program 1 times [2024-11-12 05:29:21,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:21,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848474668] [2024-11-12 05:29:21,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:21,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 05:29:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 05:29:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 05:29:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 05:29:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 05:29:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 05:29:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 05:29:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 05:29:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 05:29:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 05:29:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 05:29:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 05:29:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 05:29:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 05:29:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 05:29:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 05:29:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 05:29:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 05:29:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 05:29:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-12 05:29:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 05:29:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 05:29:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 05:29:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2024-11-12 05:29:24,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:24,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848474668] [2024-11-12 05:29:24,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848474668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:24,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:24,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:29:24,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531519063] [2024-11-12 05:29:24,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:24,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:29:24,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:24,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:29:24,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:29:24,762 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:27,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:27,404 INFO L93 Difference]: Finished difference Result 162 states and 221 transitions. [2024-11-12 05:29:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 05:29:27,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2024-11-12 05:29:27,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:27,407 INFO L225 Difference]: With dead ends: 162 [2024-11-12 05:29:27,407 INFO L226 Difference]: Without dead ends: 160 [2024-11-12 05:29:27,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-12 05:29:27,408 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 53 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:27,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 390 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:29:27,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-12 05:29:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 126. [2024-11-12 05:29:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 73 states have internal predecessors, (82), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 05:29:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-12 05:29:27,429 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 276 [2024-11-12 05:29:27,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:27,430 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-12 05:29:27,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-12 05:29:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 05:29:27,434 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:27,434 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:29:27,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 05:29:27,434 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:27,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:27,435 INFO L85 PathProgramCache]: Analyzing trace with hash -123367008, now seen corresponding path program 1 times [2024-11-12 05:29:27,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:27,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634321709] [2024-11-12 05:29:27,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:27,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 05:29:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 05:29:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 05:29:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 05:29:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 05:29:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 05:29:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 05:29:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 05:29:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 05:29:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 05:29:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 05:29:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 05:29:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 05:29:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 05:29:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 05:29:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 05:29:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 05:29:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 05:29:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 05:29:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-12 05:29:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 05:29:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 05:29:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 05:29:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2024-11-12 05:29:31,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:31,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634321709] [2024-11-12 05:29:31,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634321709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:31,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:31,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:29:31,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943213420] [2024-11-12 05:29:31,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:31,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:29:31,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:31,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:29:31,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:29:31,282 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:33,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:33,592 INFO L93 Difference]: Finished difference Result 151 states and 208 transitions. [2024-11-12 05:29:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:29:33,593 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2024-11-12 05:29:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:33,595 INFO L225 Difference]: With dead ends: 151 [2024-11-12 05:29:33,595 INFO L226 Difference]: Without dead ends: 149 [2024-11-12 05:29:33,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-12 05:29:33,597 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 46 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:33,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 559 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 05:29:33,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-12 05:29:33,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127. [2024-11-12 05:29:33,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 73 states have (on average 1.1506849315068493) internal successors, (84), 74 states have internal predecessors, (84), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 05:29:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 184 transitions. [2024-11-12 05:29:33,620 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 184 transitions. Word has length 276 [2024-11-12 05:29:33,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:33,621 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 184 transitions. [2024-11-12 05:29:33,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 184 transitions. [2024-11-12 05:29:33,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 05:29:33,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:33,624 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:29:33,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 05:29:33,624 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:33,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash -121519966, now seen corresponding path program 1 times [2024-11-12 05:29:33,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:33,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266502467] [2024-11-12 05:29:33,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 05:29:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 05:29:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 05:29:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 05:29:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 05:29:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 05:29:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 05:29:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 05:29:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 05:29:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 05:29:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 05:29:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 05:29:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 05:29:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 05:29:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 05:29:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 05:29:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 05:29:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 05:29:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 05:29:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-12 05:29:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 05:29:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 05:29:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 05:29:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4177 trivial. 0 not checked. [2024-11-12 05:29:35,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266502467] [2024-11-12 05:29:35,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266502467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:29:35,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:29:35,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:29:35,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801636464] [2024-11-12 05:29:35,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:29:35,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:29:35,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:29:35,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:29:35,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:29:35,763 INFO L87 Difference]: Start difference. First operand 127 states and 184 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:29:36,505 INFO L93 Difference]: Finished difference Result 160 states and 218 transitions. [2024-11-12 05:29:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 05:29:36,505 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 276 [2024-11-12 05:29:36,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:29:36,507 INFO L225 Difference]: With dead ends: 160 [2024-11-12 05:29:36,507 INFO L226 Difference]: Without dead ends: 158 [2024-11-12 05:29:36,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-12 05:29:36,509 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 38 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 05:29:36,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 459 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 05:29:36,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-12 05:29:36,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2024-11-12 05:29:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 73 states have internal predecessors, (82), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 05:29:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-12 05:29:36,538 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 276 [2024-11-12 05:29:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:29:36,538 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-12 05:29:36,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-12 05:29:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-12 05:29:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-12 05:29:36,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:29:36,540 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:29:36,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 05:29:36,541 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:29:36,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:29:36,541 INFO L85 PathProgramCache]: Analyzing trace with hash -989971936, now seen corresponding path program 1 times [2024-11-12 05:29:36,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:29:36,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586570250] [2024-11-12 05:29:36,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:36,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:29:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:29:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:29:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:29:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:29:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:29:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:29:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:29:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:29:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:29:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:29:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:29:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:29:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:29:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:29:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:29:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:29:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 05:29:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:29:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 05:29:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:29:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 05:29:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:29:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 05:29:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-12 05:29:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 05:29:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 05:29:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 05:29:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 05:29:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 05:29:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 05:29:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 05:29:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 05:29:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 05:29:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 05:29:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 05:29:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 05:29:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 05:29:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 05:29:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 05:29:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 05:29:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 05:29:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 05:29:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-12 05:29:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-12 05:29:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-12 05:29:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-12 05:29:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4176 trivial. 0 not checked. [2024-11-12 05:29:38,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:29:38,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586570250] [2024-11-12 05:29:38,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586570250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:29:38,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799748774] [2024-11-12 05:29:38,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:29:38,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:29:38,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:29:38,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:29:38,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 05:29:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:29:38,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-12 05:29:38,477 INFO L279 TraceCheckSpWp]: Computing forward predicates...