./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:22:22,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:22:22,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 11:22:22,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:22:22,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:22:22,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:22:22,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:22:22,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:22:22,567 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:22:22,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:22:22,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:22:22,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:22:22,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:22:22,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:22:22,570 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:22:22,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:22:22,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:22:22,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:22:22,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 11:22:22,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:22:22,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:22:22,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:22:22,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:22:22,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:22:22,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:22:22,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:22:22,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:22:22,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:22:22,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:22:22,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:22:22,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:22:22,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:22:22,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:22:22,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:22:22,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:22:22,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:22:22,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 11:22:22,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 11:22:22,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:22:22,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:22:22,574 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:22:22,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:22:22,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2024-10-14 11:22:22,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:22:22,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:22:22,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:22:22,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:22:22,793 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:22:22,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-10-14 11:22:23,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:22:24,165 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:22:24,165 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-10-14 11:22:24,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d20c57e/98d649fc1144464e86d6241e612599fa/FLAGf7b26b6fd [2024-10-14 11:22:24,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d20c57e/98d649fc1144464e86d6241e612599fa [2024-10-14 11:22:24,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:22:24,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:22:24,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:22:24,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:22:24,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:22:24,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:24,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68811658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24, skipping insertion in model container [2024-10-14 11:22:24,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:24,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:22:24,725 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2024-10-14 11:22:24,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:22:24,807 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:22:24,821 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2024-10-14 11:22:24,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:22:24,918 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:22:24,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24 WrapperNode [2024-10-14 11:22:24,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:22:24,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:22:24,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:22:24,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:22:24,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:24,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:24,968 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2024-10-14 11:22:24,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:22:24,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:22:24,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:22:24,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:22:24,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:24,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:24,984 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:25,006 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 11:22:25,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:25,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:25,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:25,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:25,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:25,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:25,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:22:25,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:22:25,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:22:25,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:22:25,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (1/1) ... [2024-10-14 11:22:25,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:22:25,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:22:25,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 11:22:25,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 11:22:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:22:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:22:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:22:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 11:22:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:22:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:22:25,188 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:22:25,190 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:22:25,593 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-10-14 11:22:25,593 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:22:25,620 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:22:25,620 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:22:25,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:25 BoogieIcfgContainer [2024-10-14 11:22:25,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:22:25,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:22:25,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:22:25,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:22:25,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:22:24" (1/3) ... [2024-10-14 11:22:25,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c68691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:25, skipping insertion in model container [2024-10-14 11:22:25,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:22:24" (2/3) ... [2024-10-14 11:22:25,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c68691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:22:25, skipping insertion in model container [2024-10-14 11:22:25,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:22:25" (3/3) ... [2024-10-14 11:22:25,627 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-20.i [2024-10-14 11:22:25,639 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:22:25,639 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:22:25,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:22:25,695 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;@7a37e497, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:22:25,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:22:25,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 11:22:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 11:22:25,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:25,713 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:25,714 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:25,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1508672609, now seen corresponding path program 1 times [2024-10-14 11:22:25,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:25,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692009710] [2024-10-14 11:22:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:25,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:26,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:26,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692009710] [2024-10-14 11:22:26,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692009710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:26,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:26,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 11:22:26,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794499209] [2024-10-14 11:22:26,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:26,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 11:22:26,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:26,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 11:22:26,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:22:26,159 INFO L87 Difference]: Start difference. First operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 11:22:26,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:26,193 INFO L93 Difference]: Finished difference Result 217 states and 377 transitions. [2024-10-14 11:22:26,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 11:22:26,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2024-10-14 11:22:26,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:26,203 INFO L225 Difference]: With dead ends: 217 [2024-10-14 11:22:26,203 INFO L226 Difference]: Without dead ends: 108 [2024-10-14 11:22:26,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:22:26,210 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:26,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:22:26,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-14 11:22:26,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-10-14 11:22:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 11:22:26,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 169 transitions. [2024-10-14 11:22:26,253 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 169 transitions. Word has length 200 [2024-10-14 11:22:26,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:26,253 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 169 transitions. [2024-10-14 11:22:26,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 11:22:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2024-10-14 11:22:26,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 11:22:26,256 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:26,256 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:26,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 11:22:26,257 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:26,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:26,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1040142491, now seen corresponding path program 1 times [2024-10-14 11:22:26,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:26,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015432837] [2024-10-14 11:22:26,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:26,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:26,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:26,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015432837] [2024-10-14 11:22:26,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015432837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:26,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:26,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 11:22:26,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642167342] [2024-10-14 11:22:26,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:26,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 11:22:26,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:26,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 11:22:26,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:22:26,820 INFO L87 Difference]: Start difference. First operand 108 states and 169 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:27,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:27,173 INFO L93 Difference]: Finished difference Result 355 states and 556 transitions. [2024-10-14 11:22:27,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 11:22:27,174 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), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-10-14 11:22:27,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:27,177 INFO L225 Difference]: With dead ends: 355 [2024-10-14 11:22:27,177 INFO L226 Difference]: Without dead ends: 248 [2024-10-14 11:22:27,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:22:27,179 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 164 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:27,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 715 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 11:22:27,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-14 11:22:27,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 238. [2024-10-14 11:22:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 173 states have (on average 1.416184971098266) internal successors, (245), 173 states have internal predecessors, (245), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:27,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 369 transitions. [2024-10-14 11:22:27,220 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 369 transitions. Word has length 200 [2024-10-14 11:22:27,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:27,221 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 369 transitions. [2024-10-14 11:22:27,222 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), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 369 transitions. [2024-10-14 11:22:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 11:22:27,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:27,225 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:27,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 11:22:27,225 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:27,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:27,226 INFO L85 PathProgramCache]: Analyzing trace with hash -452360909, now seen corresponding path program 1 times [2024-10-14 11:22:27,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:27,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260234219] [2024-10-14 11:22:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:27,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:27,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:27,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260234219] [2024-10-14 11:22:27,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260234219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:27,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:27,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 11:22:27,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775133159] [2024-10-14 11:22:27,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:27,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 11:22:27,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:27,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 11:22:27,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 11:22:27,792 INFO L87 Difference]: Start difference. First operand 238 states and 369 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:28,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:28,326 INFO L93 Difference]: Finished difference Result 702 states and 1089 transitions. [2024-10-14 11:22:28,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 11:22:28,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-14 11:22:28,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:28,333 INFO L225 Difference]: With dead ends: 702 [2024-10-14 11:22:28,333 INFO L226 Difference]: Without dead ends: 465 [2024-10-14 11:22:28,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:22:28,337 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 147 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:28,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 776 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 11:22:28,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-10-14 11:22:28,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 319. [2024-10-14 11:22:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 254 states have (on average 1.4606299212598426) internal successors, (371), 254 states have internal predecessors, (371), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 495 transitions. [2024-10-14 11:22:28,381 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 495 transitions. Word has length 201 [2024-10-14 11:22:28,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:28,381 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 495 transitions. [2024-10-14 11:22:28,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 495 transitions. [2024-10-14 11:22:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 11:22:28,385 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:28,386 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:28,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 11:22:28,386 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:28,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2040708811, now seen corresponding path program 1 times [2024-10-14 11:22:28,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:28,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822182747] [2024-10-14 11:22:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:28,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:28,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:28,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822182747] [2024-10-14 11:22:28,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822182747] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:28,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:28,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 11:22:28,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351130255] [2024-10-14 11:22:28,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:28,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 11:22:28,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:28,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 11:22:28,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:22:28,673 INFO L87 Difference]: Start difference. First operand 319 states and 495 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:28,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:28,882 INFO L93 Difference]: Finished difference Result 928 states and 1442 transitions. [2024-10-14 11:22:28,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:22:28,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-14 11:22:28,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:28,886 INFO L225 Difference]: With dead ends: 928 [2024-10-14 11:22:28,886 INFO L226 Difference]: Without dead ends: 610 [2024-10-14 11:22:28,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:22:28,888 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 141 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:28,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 558 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:22:28,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-10-14 11:22:28,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 411. [2024-10-14 11:22:28,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 346 states have (on average 1.4797687861271676) internal successors, (512), 346 states have internal predecessors, (512), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 636 transitions. [2024-10-14 11:22:28,912 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 636 transitions. Word has length 201 [2024-10-14 11:22:28,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:28,913 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 636 transitions. [2024-10-14 11:22:28,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 636 transitions. [2024-10-14 11:22:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-14 11:22:28,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:28,915 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:28,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 11:22:28,915 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:28,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:28,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1397150540, now seen corresponding path program 1 times [2024-10-14 11:22:28,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:28,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904664224] [2024-10-14 11:22:28,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:28,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:30,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:30,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904664224] [2024-10-14 11:22:30,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904664224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:30,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:30,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 11:22:30,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669321437] [2024-10-14 11:22:30,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:30,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 11:22:30,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:30,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 11:22:30,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:22:30,539 INFO L87 Difference]: Start difference. First operand 411 states and 636 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:31,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:31,514 INFO L93 Difference]: Finished difference Result 1038 states and 1569 transitions. [2024-10-14 11:22:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 11:22:31,515 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-14 11:22:31,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:31,519 INFO L225 Difference]: With dead ends: 1038 [2024-10-14 11:22:31,520 INFO L226 Difference]: Without dead ends: 628 [2024-10-14 11:22:31,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:22:31,522 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 246 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:31,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 811 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 11:22:31,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-10-14 11:22:31,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 471. [2024-10-14 11:22:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 406 states have (on average 1.4827586206896552) internal successors, (602), 406 states have internal predecessors, (602), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 726 transitions. [2024-10-14 11:22:31,549 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 726 transitions. Word has length 202 [2024-10-14 11:22:31,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:31,549 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 726 transitions. [2024-10-14 11:22:31,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 726 transitions. [2024-10-14 11:22:31,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-14 11:22:31,557 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:31,557 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:31,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 11:22:31,559 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:31,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:31,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1886699506, now seen corresponding path program 1 times [2024-10-14 11:22:31,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:31,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712577676] [2024-10-14 11:22:31,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:31,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:32,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:32,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712577676] [2024-10-14 11:22:32,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712577676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:32,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:32,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 11:22:32,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503542062] [2024-10-14 11:22:32,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:32,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 11:22:32,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:32,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 11:22:32,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:22:32,676 INFO L87 Difference]: Start difference. First operand 471 states and 726 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:34,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:34,068 INFO L93 Difference]: Finished difference Result 1098 states and 1656 transitions. [2024-10-14 11:22:34,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 11:22:34,069 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-14 11:22:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:34,075 INFO L225 Difference]: With dead ends: 1098 [2024-10-14 11:22:34,075 INFO L226 Difference]: Without dead ends: 628 [2024-10-14 11:22:34,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 11:22:34,078 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 307 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:34,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 734 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 11:22:34,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-10-14 11:22:34,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 459. [2024-10-14 11:22:34,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 394 states have (on average 1.4771573604060915) internal successors, (582), 394 states have internal predecessors, (582), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 706 transitions. [2024-10-14 11:22:34,101 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 706 transitions. Word has length 202 [2024-10-14 11:22:34,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:34,103 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 706 transitions. [2024-10-14 11:22:34,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 706 transitions. [2024-10-14 11:22:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-14 11:22:34,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:34,105 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:34,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 11:22:34,105 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:34,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:34,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1035315548, now seen corresponding path program 1 times [2024-10-14 11:22:34,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:34,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477018523] [2024-10-14 11:22:34,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:34,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:35,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:35,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477018523] [2024-10-14 11:22:35,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477018523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:35,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:35,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 11:22:35,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708004749] [2024-10-14 11:22:35,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:35,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 11:22:35,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:35,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 11:22:35,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:22:35,578 INFO L87 Difference]: Start difference. First operand 459 states and 706 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:36,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:36,790 INFO L93 Difference]: Finished difference Result 1257 states and 1924 transitions. [2024-10-14 11:22:36,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 11:22:36,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-14 11:22:36,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:36,793 INFO L225 Difference]: With dead ends: 1257 [2024-10-14 11:22:36,794 INFO L226 Difference]: Without dead ends: 799 [2024-10-14 11:22:36,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-14 11:22:36,795 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 406 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:36,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 784 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 11:22:36,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-10-14 11:22:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 534. [2024-10-14 11:22:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 469 states have (on average 1.4946695095948828) internal successors, (701), 469 states have internal predecessors, (701), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 825 transitions. [2024-10-14 11:22:36,827 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 825 transitions. Word has length 202 [2024-10-14 11:22:36,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:36,828 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 825 transitions. [2024-10-14 11:22:36,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 825 transitions. [2024-10-14 11:22:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-14 11:22:36,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:36,830 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:36,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 11:22:36,831 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:36,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:36,831 INFO L85 PathProgramCache]: Analyzing trace with hash -553032354, now seen corresponding path program 1 times [2024-10-14 11:22:36,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:36,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728489130] [2024-10-14 11:22:36,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:36,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:36,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:36,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728489130] [2024-10-14 11:22:36,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728489130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:36,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:36,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 11:22:36,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7987547] [2024-10-14 11:22:36,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:36,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 11:22:36,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:36,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 11:22:36,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 11:22:36,935 INFO L87 Difference]: Start difference. First operand 534 states and 825 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:37,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:37,019 INFO L93 Difference]: Finished difference Result 1325 states and 2049 transitions. [2024-10-14 11:22:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 11:22:37,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-14 11:22:37,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:37,022 INFO L225 Difference]: With dead ends: 1325 [2024-10-14 11:22:37,022 INFO L226 Difference]: Without dead ends: 792 [2024-10-14 11:22:37,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 11:22:37,025 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 145 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:37,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 439 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 11:22:37,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2024-10-14 11:22:37,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 649. [2024-10-14 11:22:37,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 584 states have (on average 1.50513698630137) internal successors, (879), 584 states have internal predecessors, (879), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1003 transitions. [2024-10-14 11:22:37,049 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1003 transitions. Word has length 202 [2024-10-14 11:22:37,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:37,052 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 1003 transitions. [2024-10-14 11:22:37,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1003 transitions. [2024-10-14 11:22:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-14 11:22:37,054 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:37,054 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:37,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 11:22:37,054 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:37,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:37,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2014736208, now seen corresponding path program 1 times [2024-10-14 11:22:37,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:37,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411870859] [2024-10-14 11:22:37,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:37,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:37,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:37,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411870859] [2024-10-14 11:22:37,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411870859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:37,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:37,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 11:22:37,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214025158] [2024-10-14 11:22:37,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:37,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 11:22:37,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:37,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 11:22:37,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:22:37,217 INFO L87 Difference]: Start difference. First operand 649 states and 1003 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:37,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:37,253 INFO L93 Difference]: Finished difference Result 1220 states and 1885 transitions. [2024-10-14 11:22:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:22:37,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-14 11:22:37,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:37,255 INFO L225 Difference]: With dead ends: 1220 [2024-10-14 11:22:37,255 INFO L226 Difference]: Without dead ends: 572 [2024-10-14 11:22:37,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:22:37,257 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:37,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:22:37,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-14 11:22:37,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2024-10-14 11:22:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 507 states have (on average 1.4930966469428009) internal successors, (757), 507 states have internal predecessors, (757), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 881 transitions. [2024-10-14 11:22:37,289 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 881 transitions. Word has length 203 [2024-10-14 11:22:37,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:37,290 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 881 transitions. [2024-10-14 11:22:37,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 881 transitions. [2024-10-14 11:22:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-14 11:22:37,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:37,292 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:37,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 11:22:37,292 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:37,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:37,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2061376370, now seen corresponding path program 1 times [2024-10-14 11:22:37,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:37,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521313788] [2024-10-14 11:22:37,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:37,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:37,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:37,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521313788] [2024-10-14 11:22:37,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521313788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:37,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:37,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 11:22:37,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590883585] [2024-10-14 11:22:37,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:37,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 11:22:37,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:37,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 11:22:37,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:22:37,484 INFO L87 Difference]: Start difference. First operand 572 states and 881 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:37,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:37,816 INFO L93 Difference]: Finished difference Result 1336 states and 2057 transitions. [2024-10-14 11:22:37,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:22:37,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-14 11:22:37,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:37,820 INFO L225 Difference]: With dead ends: 1336 [2024-10-14 11:22:37,820 INFO L226 Difference]: Without dead ends: 765 [2024-10-14 11:22:37,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:22:37,823 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 149 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:37,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 628 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 11:22:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-10-14 11:22:37,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 576. [2024-10-14 11:22:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 511 states have (on average 1.4833659491193738) internal successors, (758), 511 states have internal predecessors, (758), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 11:22:37,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 882 transitions. [2024-10-14 11:22:37,847 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 882 transitions. Word has length 203 [2024-10-14 11:22:37,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:37,848 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 882 transitions. [2024-10-14 11:22:37,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 882 transitions. [2024-10-14 11:22:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-14 11:22:37,849 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:37,849 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:37,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 11:22:37,850 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:37,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:37,850 INFO L85 PathProgramCache]: Analyzing trace with hash 484557561, now seen corresponding path program 1 times [2024-10-14 11:22:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:37,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321497033] [2024-10-14 11:22:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-14 11:22:38,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:38,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321497033] [2024-10-14 11:22:38,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321497033] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 11:22:38,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615498547] [2024-10-14 11:22:38,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:38,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 11:22:38,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:22:38,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 11:22:38,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 11:22:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:38,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 11:22:38,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 11:22:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-10-14 11:22:39,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 11:22:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-14 11:22:39,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615498547] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 11:22:39,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 11:22:39,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 6] total 19 [2024-10-14 11:22:39,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137799933] [2024-10-14 11:22:39,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 11:22:39,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 11:22:39,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:39,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 11:22:39,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-10-14 11:22:39,419 INFO L87 Difference]: Start difference. First operand 576 states and 882 transitions. Second operand has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) [2024-10-14 11:22:40,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:40,939 INFO L93 Difference]: Finished difference Result 1312 states and 1973 transitions. [2024-10-14 11:22:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-14 11:22:40,940 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) Word has length 204 [2024-10-14 11:22:40,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:40,944 INFO L225 Difference]: With dead ends: 1312 [2024-10-14 11:22:40,945 INFO L226 Difference]: Without dead ends: 737 [2024-10-14 11:22:40,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=529, Invalid=1921, Unknown=0, NotChecked=0, Total=2450 [2024-10-14 11:22:40,946 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 759 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:40,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 1005 Invalid, 1594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 11:22:40,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-10-14 11:22:40,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 433. [2024-10-14 11:22:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 330 states have (on average 1.3757575757575757) internal successors, (454), 331 states have internal predecessors, (454), 93 states have call successors, (93), 9 states have call predecessors, (93), 9 states have return successors, (93), 92 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 11:22:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 640 transitions. [2024-10-14 11:22:40,993 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 640 transitions. Word has length 204 [2024-10-14 11:22:40,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:40,993 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 640 transitions. [2024-10-14 11:22:40,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (82), 4 states have call predecessors, (82), 7 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) [2024-10-14 11:22:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 640 transitions. [2024-10-14 11:22:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-14 11:22:40,995 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:40,995 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:41,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 11:22:41,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 11:22:41,200 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:41,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:41,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1017895532, now seen corresponding path program 1 times [2024-10-14 11:22:41,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:41,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146189167] [2024-10-14 11:22:41,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:41,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:44,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:44,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146189167] [2024-10-14 11:22:44,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146189167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:44,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:44,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 11:22:44,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684926193] [2024-10-14 11:22:44,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:44,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 11:22:44,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:44,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 11:22:44,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-14 11:22:44,911 INFO L87 Difference]: Start difference. First operand 433 states and 640 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:47,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:47,991 INFO L93 Difference]: Finished difference Result 1280 states and 1863 transitions. [2024-10-14 11:22:47,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 11:22:47,991 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-14 11:22:47,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:47,998 INFO L225 Difference]: With dead ends: 1280 [2024-10-14 11:22:47,998 INFO L226 Difference]: Without dead ends: 908 [2024-10-14 11:22:47,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-10-14 11:22:47,999 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 369 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:47,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 869 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-14 11:22:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-10-14 11:22:48,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 553. [2024-10-14 11:22:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 443 states have (on average 1.4085778781038374) internal successors, (624), 445 states have internal predecessors, (624), 97 states have call successors, (97), 12 states have call predecessors, (97), 12 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 11:22:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 818 transitions. [2024-10-14 11:22:48,045 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 818 transitions. Word has length 204 [2024-10-14 11:22:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:48,046 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 818 transitions. [2024-10-14 11:22:48,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 818 transitions. [2024-10-14 11:22:48,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-14 11:22:48,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:48,048 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:48,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 11:22:48,048 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:48,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:48,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1604701546, now seen corresponding path program 1 times [2024-10-14 11:22:48,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:48,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800476823] [2024-10-14 11:22:48,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:48,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:50,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:50,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800476823] [2024-10-14 11:22:50,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800476823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:50,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:50,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 11:22:50,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920586002] [2024-10-14 11:22:50,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:50,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 11:22:50,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:50,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 11:22:50,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:22:50,246 INFO L87 Difference]: Start difference. First operand 553 states and 818 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:51,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:51,627 INFO L93 Difference]: Finished difference Result 1405 states and 2057 transitions. [2024-10-14 11:22:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 11:22:51,628 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-14 11:22:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:51,631 INFO L225 Difference]: With dead ends: 1405 [2024-10-14 11:22:51,631 INFO L226 Difference]: Without dead ends: 917 [2024-10-14 11:22:51,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-10-14 11:22:51,632 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 362 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:51,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 598 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 11:22:51,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-10-14 11:22:51,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 572. [2024-10-14 11:22:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 462 states have (on average 1.422077922077922) internal successors, (657), 464 states have internal predecessors, (657), 97 states have call successors, (97), 12 states have call predecessors, (97), 12 states have return successors, (97), 95 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-14 11:22:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 851 transitions. [2024-10-14 11:22:51,680 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 851 transitions. Word has length 204 [2024-10-14 11:22:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:51,680 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 851 transitions. [2024-10-14 11:22:51,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 851 transitions. [2024-10-14 11:22:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-14 11:22:51,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:51,681 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:51,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 11:22:51,681 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:51,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:51,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1410402072, now seen corresponding path program 1 times [2024-10-14 11:22:51,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:51,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776921583] [2024-10-14 11:22:51,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:51,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:52,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:52,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776921583] [2024-10-14 11:22:52,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776921583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:52,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:52,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 11:22:52,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480345176] [2024-10-14 11:22:52,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:52,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 11:22:52,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:52,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 11:22:52,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:22:52,052 INFO L87 Difference]: Start difference. First operand 572 states and 851 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-14 11:22:53,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:53,249 INFO L93 Difference]: Finished difference Result 2661 states and 3946 transitions. [2024-10-14 11:22:53,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 11:22:53,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 204 [2024-10-14 11:22:53,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:53,257 INFO L225 Difference]: With dead ends: 2661 [2024-10-14 11:22:53,257 INFO L226 Difference]: Without dead ends: 2154 [2024-10-14 11:22:53,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2024-10-14 11:22:53,259 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 854 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:53,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 1189 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 11:22:53,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2024-10-14 11:22:53,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1220. [2024-10-14 11:22:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 1024 states have (on average 1.4228515625) internal successors, (1457), 1028 states have internal predecessors, (1457), 173 states have call successors, (173), 22 states have call predecessors, (173), 22 states have return successors, (173), 169 states have call predecessors, (173), 173 states have call successors, (173) [2024-10-14 11:22:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1803 transitions. [2024-10-14 11:22:53,361 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1803 transitions. Word has length 204 [2024-10-14 11:22:53,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:53,361 INFO L471 AbstractCegarLoop]: Abstraction has 1220 states and 1803 transitions. [2024-10-14 11:22:53,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-14 11:22:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1803 transitions. [2024-10-14 11:22:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-14 11:22:53,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:53,363 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:53,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 11:22:53,363 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:53,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:53,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1304412217, now seen corresponding path program 1 times [2024-10-14 11:22:53,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:53,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871762817] [2024-10-14 11:22:53,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:53,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:54,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:54,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:54,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871762817] [2024-10-14 11:22:54,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871762817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:54,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:54,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 11:22:54,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892305017] [2024-10-14 11:22:54,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:54,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 11:22:54,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:54,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 11:22:54,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:22:54,426 INFO L87 Difference]: Start difference. First operand 1220 states and 1803 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:55,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:55,342 INFO L93 Difference]: Finished difference Result 2616 states and 3880 transitions. [2024-10-14 11:22:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 11:22:55,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-14 11:22:55,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:55,349 INFO L225 Difference]: With dead ends: 2616 [2024-10-14 11:22:55,349 INFO L226 Difference]: Without dead ends: 2109 [2024-10-14 11:22:55,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:22:55,351 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 279 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:55,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 509 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 11:22:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2024-10-14 11:22:55,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 1352. [2024-10-14 11:22:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1156 states have (on average 1.4420415224913494) internal successors, (1667), 1160 states have internal predecessors, (1667), 173 states have call successors, (173), 22 states have call predecessors, (173), 22 states have return successors, (173), 169 states have call predecessors, (173), 173 states have call successors, (173) [2024-10-14 11:22:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2013 transitions. [2024-10-14 11:22:55,450 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2013 transitions. Word has length 204 [2024-10-14 11:22:55,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:55,450 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 2013 transitions. [2024-10-14 11:22:55,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2013 transitions. [2024-10-14 11:22:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-14 11:22:55,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:55,451 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:55,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 11:22:55,452 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:55,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:55,452 INFO L85 PathProgramCache]: Analyzing trace with hash 717606203, now seen corresponding path program 1 times [2024-10-14 11:22:55,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:55,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624749283] [2024-10-14 11:22:55,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:55,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:56,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:56,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624749283] [2024-10-14 11:22:56,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624749283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:56,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:56,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 11:22:56,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093914873] [2024-10-14 11:22:56,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:56,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 11:22:56,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:56,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 11:22:56,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:22:56,740 INFO L87 Difference]: Start difference. First operand 1352 states and 2013 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:57,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:22:57,584 INFO L93 Difference]: Finished difference Result 3396 states and 5038 transitions. [2024-10-14 11:22:57,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 11:22:57,585 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-14 11:22:57,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:22:57,591 INFO L225 Difference]: With dead ends: 3396 [2024-10-14 11:22:57,591 INFO L226 Difference]: Without dead ends: 2109 [2024-10-14 11:22:57,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-14 11:22:57,594 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 237 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 11:22:57,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 658 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 11:22:57,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2024-10-14 11:22:57,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 1422. [2024-10-14 11:22:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 1226 states have (on average 1.4486133768352365) internal successors, (1776), 1230 states have internal predecessors, (1776), 173 states have call successors, (173), 22 states have call predecessors, (173), 22 states have return successors, (173), 169 states have call predecessors, (173), 173 states have call successors, (173) [2024-10-14 11:22:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 2122 transitions. [2024-10-14 11:22:57,702 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 2122 transitions. Word has length 204 [2024-10-14 11:22:57,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:22:57,702 INFO L471 AbstractCegarLoop]: Abstraction has 1422 states and 2122 transitions. [2024-10-14 11:22:57,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:22:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 2122 transitions. [2024-10-14 11:22:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-14 11:22:57,704 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:22:57,704 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:22:57,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 11:22:57,704 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:22:57,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:22:57,704 INFO L85 PathProgramCache]: Analyzing trace with hash -283935685, now seen corresponding path program 1 times [2024-10-14 11:22:57,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:22:57,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027977507] [2024-10-14 11:22:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:22:57,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:22:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:22:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:22:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:22:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:22:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:22:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:22:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:22:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:22:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:22:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:22:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:22:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:22:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:22:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:22:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:22:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:22:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:22:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:22:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:22:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:22:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:22:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:22:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:22:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:22:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:22:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:22:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:22:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:22:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:22:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:22:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:22:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:22:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:22:58,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:22:58,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027977507] [2024-10-14 11:22:58,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027977507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:22:58,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:22:58,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 11:22:58,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595009641] [2024-10-14 11:22:58,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:22:58,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 11:22:58,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:22:58,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 11:22:58,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 11:22:58,892 INFO L87 Difference]: Start difference. First operand 1422 states and 2122 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:00,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:23:00,614 INFO L93 Difference]: Finished difference Result 2402 states and 3552 transitions. [2024-10-14 11:23:00,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 11:23:00,615 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-14 11:23:00,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:23:00,621 INFO L225 Difference]: With dead ends: 2402 [2024-10-14 11:23:00,622 INFO L226 Difference]: Without dead ends: 2055 [2024-10-14 11:23:00,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-14 11:23:00,623 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 482 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 11:23:00,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1230 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 11:23:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2024-10-14 11:23:00,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 1442. [2024-10-14 11:23:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1246 states have (on average 1.4486356340288924) internal successors, (1805), 1250 states have internal predecessors, (1805), 173 states have call successors, (173), 22 states have call predecessors, (173), 22 states have return successors, (173), 169 states have call predecessors, (173), 173 states have call successors, (173) [2024-10-14 11:23:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2151 transitions. [2024-10-14 11:23:00,797 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2151 transitions. Word has length 204 [2024-10-14 11:23:00,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:23:00,798 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 2151 transitions. [2024-10-14 11:23:00,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2151 transitions. [2024-10-14 11:23:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-14 11:23:00,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:23:00,800 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:23:00,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 11:23:00,800 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:23:00,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:23:00,801 INFO L85 PathProgramCache]: Analyzing trace with hash -870741699, now seen corresponding path program 1 times [2024-10-14 11:23:00,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:23:00,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862077998] [2024-10-14 11:23:00,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:00,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:23:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:23:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:23:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:23:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:23:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:23:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:23:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:23:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:23:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:23:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:23:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:23:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:23:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:23:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:23:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:23:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:23:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:23:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:23:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:23:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:23:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:23:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:23:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:23:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:23:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:23:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:23:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:23:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:23:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:23:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:23:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:23:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:23:01,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:23:01,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862077998] [2024-10-14 11:23:01,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862077998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:23:01,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:23:01,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 11:23:01,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786853075] [2024-10-14 11:23:01,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:23:01,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 11:23:01,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:23:01,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 11:23:01,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:23:01,674 INFO L87 Difference]: Start difference. First operand 1442 states and 2151 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:02,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:23:02,461 INFO L93 Difference]: Finished difference Result 3332 states and 4965 transitions. [2024-10-14 11:23:02,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 11:23:02,462 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-14 11:23:02,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:23:02,468 INFO L225 Difference]: With dead ends: 3332 [2024-10-14 11:23:02,468 INFO L226 Difference]: Without dead ends: 1955 [2024-10-14 11:23:02,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:23:02,472 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 243 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 11:23:02,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 448 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 11:23:02,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2024-10-14 11:23:02,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1417. [2024-10-14 11:23:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1221 states have (on average 1.4414414414414414) internal successors, (1760), 1225 states have internal predecessors, (1760), 173 states have call successors, (173), 22 states have call predecessors, (173), 22 states have return successors, (173), 169 states have call predecessors, (173), 173 states have call successors, (173) [2024-10-14 11:23:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2106 transitions. [2024-10-14 11:23:02,596 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2106 transitions. Word has length 204 [2024-10-14 11:23:02,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:23:02,596 INFO L471 AbstractCegarLoop]: Abstraction has 1417 states and 2106 transitions. [2024-10-14 11:23:02,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2106 transitions. [2024-10-14 11:23:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-14 11:23:02,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:23:02,597 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:23:02,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 11:23:02,598 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:23:02,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:23:02,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1808774943, now seen corresponding path program 1 times [2024-10-14 11:23:02,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:23:02,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932360914] [2024-10-14 11:23:02,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:02,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:23:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:23:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:23:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:23:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:23:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:23:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:23:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:23:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:23:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:23:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:23:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:23:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:23:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:23:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:23:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:23:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:23:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:23:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:23:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:23:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:23:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:23:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:23:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:23:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:23:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:23:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:23:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:23:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:23:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:23:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:23:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:23:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-14 11:23:02,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:23:02,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932360914] [2024-10-14 11:23:02,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932360914] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 11:23:02,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511650887] [2024-10-14 11:23:02,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:02,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 11:23:02,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:23:02,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 11:23:02,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 11:23:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:02,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-14 11:23:02,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 11:23:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 774 proven. 126 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2024-10-14 11:23:03,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 11:23:09,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511650887] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 11:23:09,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 11:23:09,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14] total 16 [2024-10-14 11:23:09,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933457891] [2024-10-14 11:23:09,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 11:23:09,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 11:23:09,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:23:09,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 11:23:09,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-10-14 11:23:09,337 INFO L87 Difference]: Start difference. First operand 1417 states and 2106 transitions. Second operand has 16 states, 16 states have (on average 6.125) internal successors, (98), 15 states have internal predecessors, (98), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2024-10-14 11:23:12,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:23:12,395 INFO L93 Difference]: Finished difference Result 3223 states and 4671 transitions. [2024-10-14 11:23:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-10-14 11:23:12,396 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 15 states have internal predecessors, (98), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 205 [2024-10-14 11:23:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:23:12,402 INFO L225 Difference]: With dead ends: 3223 [2024-10-14 11:23:12,403 INFO L226 Difference]: Without dead ends: 1871 [2024-10-14 11:23:12,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 287 SyntacticMatches, 8 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1873 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1296, Invalid=5346, Unknown=0, NotChecked=0, Total=6642 [2024-10-14 11:23:12,407 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 1062 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 11:23:12,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 1719 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 11:23:12,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2024-10-14 11:23:12,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1333. [2024-10-14 11:23:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1112 states have (on average 1.3983812949640289) internal successors, (1555), 1117 states have internal predecessors, (1555), 179 states have call successors, (179), 41 states have call predecessors, (179), 41 states have return successors, (179), 174 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-14 11:23:12,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1913 transitions. [2024-10-14 11:23:12,548 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1913 transitions. Word has length 205 [2024-10-14 11:23:12,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:23:12,548 INFO L471 AbstractCegarLoop]: Abstraction has 1333 states and 1913 transitions. [2024-10-14 11:23:12,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 15 states have internal predecessors, (98), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2024-10-14 11:23:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1913 transitions. [2024-10-14 11:23:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-14 11:23:12,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:23:12,549 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:23:12,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 11:23:12,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 11:23:12,754 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:23:12,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:23:12,754 INFO L85 PathProgramCache]: Analyzing trace with hash -114034383, now seen corresponding path program 1 times [2024-10-14 11:23:12,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:23:12,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892709804] [2024-10-14 11:23:12,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:12,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:23:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:23:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:23:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:23:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:23:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:23:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:23:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:23:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:23:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:23:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:23:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:23:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:23:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:23:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:23:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:23:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:23:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:23:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:23:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:23:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:23:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:23:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:23:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:23:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:23:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:23:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:23:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:23:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:23:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:23:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:23:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:23:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:23:14,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:23:14,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892709804] [2024-10-14 11:23:14,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892709804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:23:14,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:23:14,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 11:23:14,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027220850] [2024-10-14 11:23:14,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:23:14,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 11:23:14,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:23:14,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 11:23:14,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-14 11:23:14,981 INFO L87 Difference]: Start difference. First operand 1333 states and 1913 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:17,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:23:17,560 INFO L93 Difference]: Finished difference Result 2998 states and 4283 transitions. [2024-10-14 11:23:17,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 11:23:17,561 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-10-14 11:23:17,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:23:17,568 INFO L225 Difference]: With dead ends: 2998 [2024-10-14 11:23:17,568 INFO L226 Difference]: Without dead ends: 1942 [2024-10-14 11:23:17,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2024-10-14 11:23:17,570 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 612 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 11:23:17,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 1141 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 11:23:17,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2024-10-14 11:23:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1395. [2024-10-14 11:23:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 1174 states have (on average 1.4063032367972743) internal successors, (1651), 1179 states have internal predecessors, (1651), 179 states have call successors, (179), 41 states have call predecessors, (179), 41 states have return successors, (179), 174 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-14 11:23:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 2009 transitions. [2024-10-14 11:23:17,728 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 2009 transitions. Word has length 206 [2024-10-14 11:23:17,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:23:17,729 INFO L471 AbstractCegarLoop]: Abstraction has 1395 states and 2009 transitions. [2024-10-14 11:23:17,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2009 transitions. [2024-10-14 11:23:17,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-14 11:23:17,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:23:17,731 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:23:17,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 11:23:17,731 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:23:17,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:23:17,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1980704075, now seen corresponding path program 1 times [2024-10-14 11:23:17,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:23:17,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802664349] [2024-10-14 11:23:17,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:17,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:23:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:23:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:23:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:23:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:23:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:23:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:23:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:23:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:23:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:23:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:23:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:23:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:23:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:23:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:23:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:17,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:23:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:23:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:23:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:23:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:23:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:23:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:23:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:23:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:23:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:23:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:23:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:23:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:23:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:23:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:23:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:23:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:23:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:23:18,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:23:18,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802664349] [2024-10-14 11:23:18,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802664349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:23:18,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:23:18,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 11:23:18,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182055109] [2024-10-14 11:23:18,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:23:18,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 11:23:18,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:23:18,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 11:23:18,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:23:18,031 INFO L87 Difference]: Start difference. First operand 1395 states and 2009 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-14 11:23:18,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:23:18,597 INFO L93 Difference]: Finished difference Result 3350 states and 4846 transitions. [2024-10-14 11:23:18,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 11:23:18,598 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 206 [2024-10-14 11:23:18,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:23:18,606 INFO L225 Difference]: With dead ends: 3350 [2024-10-14 11:23:18,606 INFO L226 Difference]: Without dead ends: 2032 [2024-10-14 11:23:18,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:23:18,609 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 254 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 11:23:18,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 959 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 11:23:18,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2024-10-14 11:23:18,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1372. [2024-10-14 11:23:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1151 states have (on average 1.3970460469157255) internal successors, (1608), 1156 states have internal predecessors, (1608), 179 states have call successors, (179), 41 states have call predecessors, (179), 41 states have return successors, (179), 174 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-14 11:23:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1966 transitions. [2024-10-14 11:23:18,759 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1966 transitions. Word has length 206 [2024-10-14 11:23:18,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:23:18,759 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1966 transitions. [2024-10-14 11:23:18,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-14 11:23:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1966 transitions. [2024-10-14 11:23:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-14 11:23:18,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:23:18,761 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:23:18,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 11:23:18,761 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:23:18,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:23:18,761 INFO L85 PathProgramCache]: Analyzing trace with hash -2108179089, now seen corresponding path program 1 times [2024-10-14 11:23:18,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:23:18,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108340425] [2024-10-14 11:23:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:23:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:23:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:23:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:23:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:23:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:23:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:23:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:23:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:23:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:23:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:23:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:23:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:23:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:23:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:23:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:23:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:23:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:23:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:23:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:23:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:23:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:23:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:23:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:23:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:23:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:23:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:23:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:23:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:23:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:23:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:23:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:23:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:23:21,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:23:21,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108340425] [2024-10-14 11:23:21,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108340425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:23:21,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:23:21,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 11:23:21,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034277005] [2024-10-14 11:23:21,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:23:21,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 11:23:21,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:23:21,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 11:23:21,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-14 11:23:21,505 INFO L87 Difference]: Start difference. First operand 1372 states and 1966 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:26,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:23:26,771 INFO L93 Difference]: Finished difference Result 3120 states and 4439 transitions. [2024-10-14 11:23:26,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 11:23:26,773 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-10-14 11:23:26,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:23:26,779 INFO L225 Difference]: With dead ends: 3120 [2024-10-14 11:23:26,779 INFO L226 Difference]: Without dead ends: 2028 [2024-10-14 11:23:26,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2024-10-14 11:23:26,781 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 764 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-14 11:23:26,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1073 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-14 11:23:26,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2024-10-14 11:23:26,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1354. [2024-10-14 11:23:26,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1133 states have (on average 1.3927625772285968) internal successors, (1578), 1138 states have internal predecessors, (1578), 179 states have call successors, (179), 41 states have call predecessors, (179), 41 states have return successors, (179), 174 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-14 11:23:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1936 transitions. [2024-10-14 11:23:26,918 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1936 transitions. Word has length 206 [2024-10-14 11:23:26,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:23:26,918 INFO L471 AbstractCegarLoop]: Abstraction has 1354 states and 1936 transitions. [2024-10-14 11:23:26,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1936 transitions. [2024-10-14 11:23:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-14 11:23:26,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:23:26,920 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:23:26,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 11:23:26,920 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:23:26,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:23:26,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1642368280, now seen corresponding path program 1 times [2024-10-14 11:23:26,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:23:26,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084116409] [2024-10-14 11:23:26,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:26,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:23:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:23:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:23:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:23:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:23:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:23:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:23:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:23:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:23:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:23:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:23:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:23:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:23:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:23:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:23:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:23:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:23:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:23:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:23:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:23:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:23:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:23:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:23:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:23:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:23:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:23:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:23:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:23:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:23:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:23:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:23:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:23:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:23:27,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:23:27,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084116409] [2024-10-14 11:23:27,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084116409] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:23:27,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:23:27,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 11:23:27,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491944977] [2024-10-14 11:23:27,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:23:27,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 11:23:27,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:23:27,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 11:23:27,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-14 11:23:27,483 INFO L87 Difference]: Start difference. First operand 1354 states and 1936 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:23:28,734 INFO L93 Difference]: Finished difference Result 3232 states and 4567 transitions. [2024-10-14 11:23:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 11:23:28,735 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-10-14 11:23:28,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:23:28,741 INFO L225 Difference]: With dead ends: 3232 [2024-10-14 11:23:28,741 INFO L226 Difference]: Without dead ends: 1955 [2024-10-14 11:23:28,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-10-14 11:23:28,743 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 347 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 11:23:28,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 948 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 11:23:28,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2024-10-14 11:23:28,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1425. [2024-10-14 11:23:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1204 states have (on average 1.3961794019933556) internal successors, (1681), 1208 states have internal predecessors, (1681), 179 states have call successors, (179), 41 states have call predecessors, (179), 41 states have return successors, (179), 175 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-14 11:23:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2039 transitions. [2024-10-14 11:23:28,912 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2039 transitions. Word has length 207 [2024-10-14 11:23:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:23:28,912 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 2039 transitions. [2024-10-14 11:23:28,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2039 transitions. [2024-10-14 11:23:28,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-14 11:23:28,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:23:28,914 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:23:28,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 11:23:28,914 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:23:28,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:23:28,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1384202842, now seen corresponding path program 1 times [2024-10-14 11:23:28,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:23:28,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645422216] [2024-10-14 11:23:28,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:23:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:23:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:23:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:23:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:23:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:23:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:23:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:23:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:23:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:23:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:23:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:23:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:23:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:23:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:23:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:23:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:23:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:23:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:23:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:23:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:23:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:23:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:23:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:23:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:23:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:23:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:23:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:23:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:23:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:23:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:23:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:23:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:23:33,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:23:33,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645422216] [2024-10-14 11:23:33,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645422216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:23:33,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:23:33,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 11:23:33,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767973249] [2024-10-14 11:23:33,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:23:33,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 11:23:33,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:23:33,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 11:23:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-10-14 11:23:33,470 INFO L87 Difference]: Start difference. First operand 1425 states and 2039 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:39,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:23:39,642 INFO L93 Difference]: Finished difference Result 3488 states and 4965 transitions. [2024-10-14 11:23:39,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 11:23:39,643 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-10-14 11:23:39,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:23:39,648 INFO L225 Difference]: With dead ends: 3488 [2024-10-14 11:23:39,648 INFO L226 Difference]: Without dead ends: 2388 [2024-10-14 11:23:39,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=338, Invalid=852, Unknown=0, NotChecked=0, Total=1190 [2024-10-14 11:23:39,651 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 937 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-14 11:23:39,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 1269 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-14 11:23:39,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2024-10-14 11:23:39,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 1495. [2024-10-14 11:23:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 1274 states have (on average 1.4042386185243327) internal successors, (1789), 1278 states have internal predecessors, (1789), 179 states have call successors, (179), 41 states have call predecessors, (179), 41 states have return successors, (179), 175 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-14 11:23:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 2147 transitions. [2024-10-14 11:23:39,815 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 2147 transitions. Word has length 207 [2024-10-14 11:23:39,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:23:39,815 INFO L471 AbstractCegarLoop]: Abstraction has 1495 states and 2147 transitions. [2024-10-14 11:23:39,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 11:23:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2147 transitions. [2024-10-14 11:23:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-14 11:23:39,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:23:39,816 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:23:39,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 11:23:39,817 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:23:39,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:23:39,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1899647204, now seen corresponding path program 1 times [2024-10-14 11:23:39,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:23:39,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140662752] [2024-10-14 11:23:39,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:23:39,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:23:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:23:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:23:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:23:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:23:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:23:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:23:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:23:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:23:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:23:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:23:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:23:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:23:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:23:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 11:23:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 11:23:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 11:23:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 11:23:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 11:23:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 11:23:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 11:23:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 11:23:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 11:23:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:23:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 11:23:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:23:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 11:23:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:23:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 11:23:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:23:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 11:23:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 11:23:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:23:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 11:23:44,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:23:44,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140662752] [2024-10-14 11:23:44,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140662752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:23:44,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:23:44,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-14 11:23:44,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789398566] [2024-10-14 11:23:44,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:23:44,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 11:23:44,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:23:44,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 11:23:44,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-14 11:23:44,480 INFO L87 Difference]: Start difference. First operand 1495 states and 2147 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)