./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c41233577d4f3add43688eebc1dd327b554f3a213d6a52593493024e00cc2d82 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 20:45:05,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 20:45:05,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 20:45:05,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 20:45:05,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 20:45:05,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 20:45:05,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 20:45:05,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 20:45:05,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 20:45:05,604 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 20:45:05,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 20:45:05,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 20:45:05,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 20:45:05,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 20:45:05,606 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 20:45:05,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 20:45:05,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 20:45:05,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 20:45:05,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 20:45:05,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 20:45:05,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 20:45:05,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 20:45:05,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 20:45:05,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 20:45:05,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 20:45:05,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 20:45:05,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 20:45:05,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 20:45:05,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 20:45:05,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 20:45:05,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 20:45:05,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 20:45:05,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:45:05,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 20:45:05,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 20:45:05,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 20:45:05,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 20:45:05,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 20:45:05,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 20:45:05,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 20:45:05,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 20:45:05,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 20:45:05,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41233577d4f3add43688eebc1dd327b554f3a213d6a52593493024e00cc2d82 [2024-11-08 20:45:05,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 20:45:05,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 20:45:05,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 20:45:05,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 20:45:05,917 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 20:45:05,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-08 20:45:07,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 20:45:07,621 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 20:45:07,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-08 20:45:07,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9333567/4dd6e6b7cebe40508acbf13965da8a00/FLAG63314a058 [2024-11-08 20:45:07,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9333567/4dd6e6b7cebe40508acbf13965da8a00 [2024-11-08 20:45:07,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 20:45:07,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 20:45:07,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 20:45:07,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 20:45:07,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 20:45:07,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:45:07" (1/1) ... [2024-11-08 20:45:07,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4e4a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:07, skipping insertion in model container [2024-11-08 20:45:07,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:45:07" (1/1) ... [2024-11-08 20:45:07,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 20:45:08,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i[915,928] [2024-11-08 20:45:08,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:45:08,397 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 20:45:08,409 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i[915,928] [2024-11-08 20:45:08,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:45:08,482 INFO L204 MainTranslator]: Completed translation [2024-11-08 20:45:08,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08 WrapperNode [2024-11-08 20:45:08,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 20:45:08,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 20:45:08,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 20:45:08,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 20:45:08,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,549 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-08 20:45:08,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 20:45:08,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 20:45:08,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 20:45:08,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 20:45:08,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,565 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,583 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]. [2024-11-08 20:45:08,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 20:45:08,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 20:45:08,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 20:45:08,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 20:45:08,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (1/1) ... [2024-11-08 20:45:08,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:45:08,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 20:45:08,654 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) [2024-11-08 20:45:08,663 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 [2024-11-08 20:45:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 20:45:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 20:45:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 20:45:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 20:45:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 20:45:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 20:45:08,819 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 20:45:08,821 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 20:45:09,263 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 20:45:09,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 20:45:09,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 20:45:09,282 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 20:45:09,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:45:09 BoogieIcfgContainer [2024-11-08 20:45:09,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 20:45:09,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 20:45:09,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 20:45:09,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 20:45:09,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 08:45:07" (1/3) ... [2024-11-08 20:45:09,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409b4813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:45:09, skipping insertion in model container [2024-11-08 20:45:09,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:45:08" (2/3) ... [2024-11-08 20:45:09,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409b4813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:45:09, skipping insertion in model container [2024-11-08 20:45:09,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:45:09" (3/3) ... [2024-11-08 20:45:09,294 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-08 20:45:09,313 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 20:45:09,314 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 20:45:09,378 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 20:45:09,388 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;@3bc17dae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 20:45:09,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 20:45:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 20:45:09,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-08 20:45:09,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:09,416 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:09,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:09,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:09,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1622314386, now seen corresponding path program 1 times [2024-11-08 20:45:09,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:09,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815350914] [2024-11-08 20:45:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:09,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:09,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:10,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:10,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815350914] [2024-11-08 20:45:10,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815350914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:10,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:10,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 20:45:10,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43057481] [2024-11-08 20:45:10,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:10,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 20:45:10,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:10,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 20:45:10,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:45:10,090 INFO L87 Difference]: Start difference. First operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 20:45:10,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:10,124 INFO L93 Difference]: Finished difference Result 195 states and 346 transitions. [2024-11-08 20:45:10,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 20:45:10,127 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 212 [2024-11-08 20:45:10,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:10,134 INFO L225 Difference]: With dead ends: 195 [2024-11-08 20:45:10,134 INFO L226 Difference]: Without dead ends: 97 [2024-11-08 20:45:10,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:45:10,140 INFO L432 NwaCegarLoop]: 150 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, 150 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 [2024-11-08 20:45:10,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:45:10,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-08 20:45:10,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-08 20:45:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 20:45:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 150 transitions. [2024-11-08 20:45:10,190 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 150 transitions. Word has length 212 [2024-11-08 20:45:10,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:10,190 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 150 transitions. [2024-11-08 20:45:10,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 20:45:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2024-11-08 20:45:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-08 20:45:10,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:10,195 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:10,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 20:45:10,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:10,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:10,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1732762638, now seen corresponding path program 1 times [2024-11-08 20:45:10,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:10,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373046649] [2024-11-08 20:45:10,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:10,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:10,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:10,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373046649] [2024-11-08 20:45:10,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373046649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:10,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:10,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 20:45:10,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176863695] [2024-11-08 20:45:10,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:10,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 20:45:10,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:10,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 20:45:10,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:45:10,700 INFO L87 Difference]: Start difference. First operand 97 states and 150 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:10,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:10,976 INFO L93 Difference]: Finished difference Result 192 states and 299 transitions. [2024-11-08 20:45:10,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 20:45:10,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 212 [2024-11-08 20:45:10,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:10,983 INFO L225 Difference]: With dead ends: 192 [2024-11-08 20:45:10,983 INFO L226 Difference]: Without dead ends: 98 [2024-11-08 20:45:10,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 20:45:10,988 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 147 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 20:45:10,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 185 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 20:45:10,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-08 20:45:11,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-08 20:45:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 20:45:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 151 transitions. [2024-11-08 20:45:11,011 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 151 transitions. Word has length 212 [2024-11-08 20:45:11,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:11,013 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 151 transitions. [2024-11-08 20:45:11,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2024-11-08 20:45:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-08 20:45:11,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:11,020 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:11,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 20:45:11,024 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:11,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:11,025 INFO L85 PathProgramCache]: Analyzing trace with hash 455992393, now seen corresponding path program 1 times [2024-11-08 20:45:11,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:11,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573576308] [2024-11-08 20:45:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:11,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:23,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:23,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573576308] [2024-11-08 20:45:23,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573576308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:23,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:23,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 20:45:23,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980132927] [2024-11-08 20:45:23,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:23,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 20:45:23,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:23,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 20:45:23,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-08 20:45:23,802 INFO L87 Difference]: Start difference. First operand 98 states and 151 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:27,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:27,538 INFO L93 Difference]: Finished difference Result 374 states and 569 transitions. [2024-11-08 20:45:27,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 20:45:27,540 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-08 20:45:27,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:27,548 INFO L225 Difference]: With dead ends: 374 [2024-11-08 20:45:27,548 INFO L226 Difference]: Without dead ends: 279 [2024-11-08 20:45:27,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-11-08 20:45:27,550 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 372 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:45:27,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 964 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 20:45:27,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-08 20:45:27,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 193. [2024-11-08 20:45:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.319672131147541) internal successors, (161), 122 states have internal predecessors, (161), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 20:45:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 297 transitions. [2024-11-08 20:45:27,614 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 297 transitions. Word has length 214 [2024-11-08 20:45:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:27,616 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 297 transitions. [2024-11-08 20:45:27,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 297 transitions. [2024-11-08 20:45:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-08 20:45:27,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:27,621 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:27,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 20:45:27,622 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:27,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:27,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1157056971, now seen corresponding path program 1 times [2024-11-08 20:45:27,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:27,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748190194] [2024-11-08 20:45:27,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:27,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:27,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748190194] [2024-11-08 20:45:27,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748190194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:27,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:27,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 20:45:27,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158779039] [2024-11-08 20:45:27,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:27,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 20:45:27,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:27,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 20:45:27,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:45:27,821 INFO L87 Difference]: Start difference. First operand 193 states and 297 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:27,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:27,875 INFO L93 Difference]: Finished difference Result 382 states and 591 transitions. [2024-11-08 20:45:27,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 20:45:27,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-08 20:45:27,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:27,880 INFO L225 Difference]: With dead ends: 382 [2024-11-08 20:45:27,882 INFO L226 Difference]: Without dead ends: 287 [2024-11-08 20:45:27,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:45:27,884 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 141 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:45:27,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 300 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:45:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-08 20:45:27,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2024-11-08 20:45:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 179 states have (on average 1.312849162011173) internal successors, (235), 179 states have internal predecessors, (235), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 20:45:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 439 transitions. [2024-11-08 20:45:27,931 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 439 transitions. Word has length 214 [2024-11-08 20:45:27,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:27,932 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 439 transitions. [2024-11-08 20:45:27,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 439 transitions. [2024-11-08 20:45:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-08 20:45:27,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:27,935 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:27,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 20:45:27,936 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:27,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:27,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1467109643, now seen corresponding path program 1 times [2024-11-08 20:45:27,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:27,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782293586] [2024-11-08 20:45:27,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:27,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:28,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:28,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782293586] [2024-11-08 20:45:28,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782293586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:28,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:28,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 20:45:28,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617404219] [2024-11-08 20:45:28,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:28,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 20:45:28,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:28,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 20:45:28,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 20:45:28,179 INFO L87 Difference]: Start difference. First operand 285 states and 439 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:28,425 INFO L93 Difference]: Finished difference Result 495 states and 757 transitions. [2024-11-08 20:45:28,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 20:45:28,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-08 20:45:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:28,428 INFO L225 Difference]: With dead ends: 495 [2024-11-08 20:45:28,428 INFO L226 Difference]: Without dead ends: 305 [2024-11-08 20:45:28,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 20:45:28,433 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 121 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 20:45:28,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 501 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 20:45:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-08 20:45:28,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 283. [2024-11-08 20:45:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 177 states have (on average 1.305084745762712) internal successors, (231), 177 states have internal predecessors, (231), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 20:45:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 435 transitions. [2024-11-08 20:45:28,477 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 435 transitions. Word has length 214 [2024-11-08 20:45:28,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:28,479 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 435 transitions. [2024-11-08 20:45:28,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 435 transitions. [2024-11-08 20:45:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 20:45:28,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:28,482 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:28,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 20:45:28,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:28,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:28,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1304364194, now seen corresponding path program 1 times [2024-11-08 20:45:28,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:28,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753744662] [2024-11-08 20:45:28,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:31,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:31,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753744662] [2024-11-08 20:45:31,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753744662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:31,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:31,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 20:45:31,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240018720] [2024-11-08 20:45:31,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:31,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 20:45:31,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:31,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 20:45:31,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-08 20:45:31,972 INFO L87 Difference]: Start difference. First operand 283 states and 435 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:33,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:33,056 INFO L93 Difference]: Finished difference Result 333 states and 493 transitions. [2024-11-08 20:45:33,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 20:45:33,056 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-08 20:45:33,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:33,060 INFO L225 Difference]: With dead ends: 333 [2024-11-08 20:45:33,060 INFO L226 Difference]: Without dead ends: 331 [2024-11-08 20:45:33,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-08 20:45:33,064 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 338 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 20:45:33,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 951 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 20:45:33,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-08 20:45:33,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 284. [2024-11-08 20:45:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.303370786516854) internal successors, (232), 178 states have internal predecessors, (232), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 20:45:33,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 436 transitions. [2024-11-08 20:45:33,122 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 436 transitions. Word has length 215 [2024-11-08 20:45:33,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:33,127 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 436 transitions. [2024-11-08 20:45:33,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 436 transitions. [2024-11-08 20:45:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 20:45:33,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:33,132 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:33,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 20:45:33,133 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:33,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1092206780, now seen corresponding path program 1 times [2024-11-08 20:45:33,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:33,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187137319] [2024-11-08 20:45:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:33,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:33,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:33,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187137319] [2024-11-08 20:45:33,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187137319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:33,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:33,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 20:45:33,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707127227] [2024-11-08 20:45:33,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:33,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 20:45:33,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:33,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 20:45:33,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 20:45:33,599 INFO L87 Difference]: Start difference. First operand 284 states and 436 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 20:45:33,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:33,663 INFO L93 Difference]: Finished difference Result 482 states and 741 transitions. [2024-11-08 20:45:33,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 20:45:33,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2024-11-08 20:45:33,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:33,666 INFO L225 Difference]: With dead ends: 482 [2024-11-08 20:45:33,667 INFO L226 Difference]: Without dead ends: 292 [2024-11-08 20:45:33,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 20:45:33,671 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 100 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:45:33,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 278 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:45:33,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-08 20:45:33,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 284. [2024-11-08 20:45:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.2865168539325842) internal successors, (229), 178 states have internal predecessors, (229), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 20:45:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 433 transitions. [2024-11-08 20:45:33,702 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 433 transitions. Word has length 215 [2024-11-08 20:45:33,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:33,702 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 433 transitions. [2024-11-08 20:45:33,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 20:45:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 433 transitions. [2024-11-08 20:45:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 20:45:33,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:33,706 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:33,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 20:45:33,707 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:33,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:33,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1427753154, now seen corresponding path program 1 times [2024-11-08 20:45:33,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:33,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312682825] [2024-11-08 20:45:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:33,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:38,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:38,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312682825] [2024-11-08 20:45:38,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312682825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:38,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:38,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 20:45:38,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366602699] [2024-11-08 20:45:38,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:38,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 20:45:38,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:38,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 20:45:38,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-08 20:45:38,848 INFO L87 Difference]: Start difference. First operand 284 states and 433 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:43,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:43,640 INFO L93 Difference]: Finished difference Result 338 states and 493 transitions. [2024-11-08 20:45:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 20:45:43,641 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-08 20:45:43,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:43,645 INFO L225 Difference]: With dead ends: 338 [2024-11-08 20:45:43,646 INFO L226 Difference]: Without dead ends: 336 [2024-11-08 20:45:43,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=264, Invalid=792, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 20:45:43,648 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 339 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 20:45:43,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 916 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 20:45:43,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-08 20:45:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 284. [2024-11-08 20:45:43,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.2865168539325842) internal successors, (229), 178 states have internal predecessors, (229), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 20:45:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 433 transitions. [2024-11-08 20:45:43,693 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 433 transitions. Word has length 215 [2024-11-08 20:45:43,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:43,694 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 433 transitions. [2024-11-08 20:45:43,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:45:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 433 transitions. [2024-11-08 20:45:43,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 20:45:43,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:43,697 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:43,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 20:45:43,697 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:43,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:43,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1871875877, now seen corresponding path program 1 times [2024-11-08 20:45:43,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:43,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709314726] [2024-11-08 20:45:43,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:45:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:45:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:45:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:45:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:45:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:45:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:45:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:45:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:45:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:45:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:45:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:45:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:45:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:45:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:45:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:45:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:45:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:45:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:45:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:45:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:45:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:45:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:45:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:45:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:45:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:45:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:45:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:45:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:45:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:45:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:45:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:45:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:45:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:45:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:45:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:45:50,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:45:50,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709314726] [2024-11-08 20:45:50,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709314726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:45:50,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:45:50,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 20:45:50,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049420322] [2024-11-08 20:45:50,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:45:50,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 20:45:50,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:45:50,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 20:45:50,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-08 20:45:50,127 INFO L87 Difference]: Start difference. First operand 284 states and 433 transitions. Second operand has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-08 20:45:55,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:45:55,418 INFO L93 Difference]: Finished difference Result 354 states and 512 transitions. [2024-11-08 20:45:55,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 20:45:55,419 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 215 [2024-11-08 20:45:55,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:45:55,421 INFO L225 Difference]: With dead ends: 354 [2024-11-08 20:45:55,422 INFO L226 Difference]: Without dead ends: 352 [2024-11-08 20:45:55,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 20:45:55,424 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 350 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 20:45:55,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 1155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 20:45:55,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-08 20:45:55,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 294. [2024-11-08 20:45:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 188 states have internal predecessors, (242), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 20:45:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2024-11-08 20:45:55,453 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 215 [2024-11-08 20:45:55,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:45:55,453 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2024-11-08 20:45:55,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-08 20:45:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2024-11-08 20:45:55,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 20:45:55,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:45:55,456 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:45:55,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 20:45:55,457 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:45:55,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:45:55,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1191817507, now seen corresponding path program 1 times [2024-11-08 20:45:55,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:45:55,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849370473] [2024-11-08 20:45:55,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:45:55,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:45:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:46:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:46:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:46:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:46:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:46:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:46:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:46:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:46:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:46:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:46:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:46:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:46:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:46:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:46:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:46:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:46:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:46:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:46:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:46:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:46:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:46:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:46:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:46:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:46:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:46:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:46:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:46:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:46:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:46:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:46:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:46:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:46:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:46:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:46:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:46:01,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:46:01,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849370473] [2024-11-08 20:46:01,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849370473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:46:01,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:46:01,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 20:46:01,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035060339] [2024-11-08 20:46:01,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:46:01,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 20:46:01,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:46:01,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 20:46:01,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-08 20:46:01,739 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:46:07,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:46:07,152 INFO L93 Difference]: Finished difference Result 348 states and 506 transitions. [2024-11-08 20:46:07,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 20:46:07,153 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-08 20:46:07,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:46:07,156 INFO L225 Difference]: With dead ends: 348 [2024-11-08 20:46:07,156 INFO L226 Difference]: Without dead ends: 346 [2024-11-08 20:46:07,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2024-11-08 20:46:07,157 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 283 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:46:07,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1051 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 20:46:07,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-08 20:46:07,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 294. [2024-11-08 20:46:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 188 states have internal predecessors, (242), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 20:46:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2024-11-08 20:46:07,187 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 215 [2024-11-08 20:46:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:46:07,187 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2024-11-08 20:46:07,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 20:46:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2024-11-08 20:46:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-08 20:46:07,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:46:07,189 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:46:07,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 20:46:07,189 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:46:07,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:46:07,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1257172915, now seen corresponding path program 1 times [2024-11-08 20:46:07,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:46:07,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707632775] [2024-11-08 20:46:07,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:46:07,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:46:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:46:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:46:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:46:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:46:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:46:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:46:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:46:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:46:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:46:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:46:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:46:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:46:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:46:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:46:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:46:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:46:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:46:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:46:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:46:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:46:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:46:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:46:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:46:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:46:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:46:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:46:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:46:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:46:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:46:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:46:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:46:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:46:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:46:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:46:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:46:10,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:46:10,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707632775] [2024-11-08 20:46:10,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707632775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:46:10,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:46:10,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 20:46:10,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89660594] [2024-11-08 20:46:10,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:46:10,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 20:46:10,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:46:10,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 20:46:10,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-08 20:46:10,138 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 20:46:11,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:46:11,054 INFO L93 Difference]: Finished difference Result 336 states and 492 transitions. [2024-11-08 20:46:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 20:46:11,055 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2024-11-08 20:46:11,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:46:11,058 INFO L225 Difference]: With dead ends: 336 [2024-11-08 20:46:11,058 INFO L226 Difference]: Without dead ends: 334 [2024-11-08 20:46:11,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2024-11-08 20:46:11,060 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 353 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 20:46:11,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 987 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 20:46:11,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-08 20:46:11,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 291. [2024-11-08 20:46:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 185 states have (on average 1.2864864864864864) internal successors, (238), 185 states have internal predecessors, (238), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 20:46:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 442 transitions. [2024-11-08 20:46:11,090 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 442 transitions. Word has length 216 [2024-11-08 20:46:11,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:46:11,091 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 442 transitions. [2024-11-08 20:46:11,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 20:46:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 442 transitions. [2024-11-08 20:46:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-08 20:46:11,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:46:11,092 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:46:11,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 20:46:11,093 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:46:11,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:46:11,093 INFO L85 PathProgramCache]: Analyzing trace with hash -2138228398, now seen corresponding path program 1 times [2024-11-08 20:46:11,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:46:11,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096936356] [2024-11-08 20:46:11,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:46:11,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:46:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:46:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:46:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:46:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:46:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:46:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:46:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:46:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:46:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:46:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:46:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:46:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:46:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 20:46:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:46:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 20:46:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:46:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 20:46:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:46:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:46:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:46:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:46:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:46:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:46:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:46:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:46:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:46:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:46:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:46:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:46:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:46:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:46:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:46:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:46:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 20:46:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:46:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 20:46:18,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:46:18,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096936356] [2024-11-08 20:46:18,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096936356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:46:18,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:46:18,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 20:46:18,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172120409] [2024-11-08 20:46:18,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:46:18,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 20:46:18,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:46:18,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 20:46:18,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-08 20:46:18,323 INFO L87 Difference]: Start difference. First operand 291 states and 442 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34)