./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_operatoramount_amount500_file-79.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_operatoramount_amount500_file-79.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 72bf3c0845cdd2bb0ceb7773d767081845ae984de3bbd8e14ca740b1ff59160d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 07:57:15,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 07:57:15,503 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 07:57:15,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 07:57:15,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 07:57:15,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 07:57:15,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 07:57:15,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 07:57:15,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 07:57:15,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 07:57:15,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 07:57:15,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 07:57:15,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 07:57:15,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 07:57:15,523 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 07:57:15,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 07:57:15,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 07:57:15,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 07:57:15,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 07:57:15,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 07:57:15,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 07:57:15,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 07:57:15,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 07:57:15,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 07:57:15,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 07:57:15,526 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 07:57:15,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 07:57:15,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 07:57:15,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 07:57:15,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 07:57:15,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 07:57:15,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 07:57:15,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:57:15,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 07:57:15,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 07:57:15,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 07:57:15,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 07:57:15,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 07:57:15,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 07:57:15,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 07:57:15,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 07:57:15,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 07:57:15,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bf3c0845cdd2bb0ceb7773d767081845ae984de3bbd8e14ca740b1ff59160d [2024-11-20 07:57:15,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 07:57:15,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 07:57:15,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 07:57:15,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 07:57:15,736 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 07:57:15,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-79.i [2024-11-20 07:57:17,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 07:57:17,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 07:57:17,476 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-79.i [2024-11-20 07:57:17,487 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c882892cf/0b71757340ed4a11a118b2d6ff79c4d5/FLAGda74ab7a5 [2024-11-20 07:57:17,786 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c882892cf/0b71757340ed4a11a118b2d6ff79c4d5 [2024-11-20 07:57:17,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 07:57:17,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 07:57:17,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 07:57:17,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 07:57:17,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 07:57:17,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:57:17" (1/1) ... [2024-11-20 07:57:17,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34976a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:17, skipping insertion in model container [2024-11-20 07:57:17,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:57:17" (1/1) ... [2024-11-20 07:57:17,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 07:57:18,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-79.i[916,929] [2024-11-20 07:57:18,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:57:18,285 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 07:57:18,298 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-79.i[916,929] [2024-11-20 07:57:18,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:57:18,396 INFO L204 MainTranslator]: Completed translation [2024-11-20 07:57:18,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18 WrapperNode [2024-11-20 07:57:18,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 07:57:18,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 07:57:18,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 07:57:18,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 07:57:18,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,528 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 754 [2024-11-20 07:57:18,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 07:57:18,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 07:57:18,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 07:57:18,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 07:57:18,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,561 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,602 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 07:57:18,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 07:57:18,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 07:57:18,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 07:57:18,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 07:57:18,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (1/1) ... [2024-11-20 07:57:18,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:57:18,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:57:18,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 07:57:18,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 07:57:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 07:57:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 07:57:18,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 07:57:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 07:57:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 07:57:18,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 07:57:19,008 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 07:57:19,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 07:57:19,985 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-11-20 07:57:19,985 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 07:57:20,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 07:57:20,008 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 07:57:20,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:57:20 BoogieIcfgContainer [2024-11-20 07:57:20,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 07:57:20,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 07:57:20,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 07:57:20,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 07:57:20,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:57:17" (1/3) ... [2024-11-20 07:57:20,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4d2d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:57:20, skipping insertion in model container [2024-11-20 07:57:20,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:57:18" (2/3) ... [2024-11-20 07:57:20,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4d2d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:57:20, skipping insertion in model container [2024-11-20 07:57:20,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:57:20" (3/3) ... [2024-11-20 07:57:20,017 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-79.i [2024-11-20 07:57:20,032 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 07:57:20,032 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 07:57:20,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 07:57:20,101 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;@516fdd04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 07:57:20,101 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 07:57:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 238 states have (on average 1.5672268907563025) internal successors, (373), 239 states have internal predecessors, (373), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 07:57:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-11-20 07:57:20,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:20,134 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:20,134 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:20,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:20,138 INFO L85 PathProgramCache]: Analyzing trace with hash -586400521, now seen corresponding path program 1 times [2024-11-20 07:57:20,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:20,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126579251] [2024-11-20 07:57:20,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:20,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:20,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126579251] [2024-11-20 07:57:20,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126579251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:20,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:20,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 07:57:20,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016261392] [2024-11-20 07:57:20,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:20,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 07:57:20,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:20,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 07:57:20,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:57:20,989 INFO L87 Difference]: Start difference. First operand has 303 states, 238 states have (on average 1.5672268907563025) internal successors, (373), 239 states have internal predecessors, (373), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-20 07:57:21,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:21,049 INFO L93 Difference]: Finished difference Result 595 states and 1044 transitions. [2024-11-20 07:57:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 07:57:21,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) Word has length 437 [2024-11-20 07:57:21,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:21,060 INFO L225 Difference]: With dead ends: 595 [2024-11-20 07:57:21,060 INFO L226 Difference]: Without dead ends: 295 [2024-11-20 07:57:21,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:57:21,068 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:21,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:57:21,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-20 07:57:21,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-20 07:57:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 231 states have (on average 1.5541125541125542) internal successors, (359), 231 states have internal predecessors, (359), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 07:57:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 483 transitions. [2024-11-20 07:57:21,136 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 483 transitions. Word has length 437 [2024-11-20 07:57:21,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:21,138 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 483 transitions. [2024-11-20 07:57:21,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-20 07:57:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 483 transitions. [2024-11-20 07:57:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-11-20 07:57:21,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:21,193 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:21,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 07:57:21,193 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:21,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:21,194 INFO L85 PathProgramCache]: Analyzing trace with hash -920327421, now seen corresponding path program 1 times [2024-11-20 07:57:21,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:21,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168208012] [2024-11-20 07:57:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:21,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:21,907 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:21,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:21,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168208012] [2024-11-20 07:57:21,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168208012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:21,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:21,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:57:21,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893495376] [2024-11-20 07:57:21,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:21,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:57:21,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:21,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:57:21,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:57:21,916 INFO L87 Difference]: Start difference. First operand 295 states and 483 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:22,311 INFO L93 Difference]: Finished difference Result 1033 states and 1691 transitions. [2024-11-20 07:57:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:57:22,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 437 [2024-11-20 07:57:22,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:22,317 INFO L225 Difference]: With dead ends: 1033 [2024-11-20 07:57:22,317 INFO L226 Difference]: Without dead ends: 741 [2024-11-20 07:57:22,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:57:22,319 INFO L432 NwaCegarLoop]: 785 mSDtfsCounter, 683 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1659 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:22,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 1659 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:57:22,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-20 07:57:22,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 736. [2024-11-20 07:57:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 602 states have (on average 1.5365448504983388) internal successors, (925), 603 states have internal predecessors, (925), 130 states have call successors, (130), 3 states have call predecessors, (130), 3 states have return successors, (130), 129 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-20 07:57:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1185 transitions. [2024-11-20 07:57:22,368 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1185 transitions. Word has length 437 [2024-11-20 07:57:22,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:22,369 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1185 transitions. [2024-11-20 07:57:22,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1185 transitions. [2024-11-20 07:57:22,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-11-20 07:57:22,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:22,376 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:22,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 07:57:22,376 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:22,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:22,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1744543739, now seen corresponding path program 1 times [2024-11-20 07:57:22,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:22,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451047925] [2024-11-20 07:57:22,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:22,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:22,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451047925] [2024-11-20 07:57:22,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451047925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:22,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:22,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:57:22,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358352148] [2024-11-20 07:57:22,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:22,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:57:22,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:22,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:57:22,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:57:22,795 INFO L87 Difference]: Start difference. First operand 736 states and 1185 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:22,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:22,860 INFO L93 Difference]: Finished difference Result 1796 states and 2891 transitions. [2024-11-20 07:57:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:57:22,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 437 [2024-11-20 07:57:22,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:22,868 INFO L225 Difference]: With dead ends: 1796 [2024-11-20 07:57:22,868 INFO L226 Difference]: Without dead ends: 1063 [2024-11-20 07:57:22,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:57:22,870 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 254 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:22,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 963 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:57:22,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-11-20 07:57:22,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 922. [2024-11-20 07:57:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 781 states have (on average 1.558258642765685) internal successors, (1217), 783 states have internal predecessors, (1217), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-20 07:57:22,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1489 transitions. [2024-11-20 07:57:22,910 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1489 transitions. Word has length 437 [2024-11-20 07:57:22,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:22,911 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1489 transitions. [2024-11-20 07:57:22,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1489 transitions. [2024-11-20 07:57:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-11-20 07:57:22,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:22,917 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:22,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 07:57:22,917 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:22,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:22,918 INFO L85 PathProgramCache]: Analyzing trace with hash -52655704, now seen corresponding path program 1 times [2024-11-20 07:57:22,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:22,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711942540] [2024-11-20 07:57:22,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:22,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:23,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:23,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711942540] [2024-11-20 07:57:23,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711942540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:23,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:23,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:57:23,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846049199] [2024-11-20 07:57:23,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:23,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:57:23,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:23,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:57:23,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:57:23,497 INFO L87 Difference]: Start difference. First operand 922 states and 1489 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:23,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:23,624 INFO L93 Difference]: Finished difference Result 1994 states and 3225 transitions. [2024-11-20 07:57:23,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:57:23,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 438 [2024-11-20 07:57:23,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:23,637 INFO L225 Difference]: With dead ends: 1994 [2024-11-20 07:57:23,638 INFO L226 Difference]: Without dead ends: 1075 [2024-11-20 07:57:23,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:57:23,644 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 425 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:23,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 874 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:57:23,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-20 07:57:23,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 906. [2024-11-20 07:57:23,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 765 states have (on average 1.4980392156862745) internal successors, (1146), 767 states have internal predecessors, (1146), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-20 07:57:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1418 transitions. [2024-11-20 07:57:23,747 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1418 transitions. Word has length 438 [2024-11-20 07:57:23,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:23,748 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1418 transitions. [2024-11-20 07:57:23,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1418 transitions. [2024-11-20 07:57:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-11-20 07:57:23,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:23,758 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:23,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 07:57:23,759 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:23,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:23,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1387999939, now seen corresponding path program 1 times [2024-11-20 07:57:23,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:23,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972722087] [2024-11-20 07:57:23,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:23,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:24,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:24,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972722087] [2024-11-20 07:57:24,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972722087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:24,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:24,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:57:24,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162158969] [2024-11-20 07:57:24,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:24,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:57:24,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:24,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:57:24,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:57:24,637 INFO L87 Difference]: Start difference. First operand 906 states and 1418 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:25,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:25,010 INFO L93 Difference]: Finished difference Result 1839 states and 2883 transitions. [2024-11-20 07:57:25,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:57:25,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 439 [2024-11-20 07:57:25,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:25,015 INFO L225 Difference]: With dead ends: 1839 [2024-11-20 07:57:25,015 INFO L226 Difference]: Without dead ends: 936 [2024-11-20 07:57:25,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:57:25,017 INFO L432 NwaCegarLoop]: 773 mSDtfsCounter, 550 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:25,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 2100 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:57:25,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-20 07:57:25,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 887. [2024-11-20 07:57:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 746 states have (on average 1.467828418230563) internal successors, (1095), 748 states have internal predecessors, (1095), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-20 07:57:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1367 transitions. [2024-11-20 07:57:25,093 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1367 transitions. Word has length 439 [2024-11-20 07:57:25,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:25,094 INFO L471 AbstractCegarLoop]: Abstraction has 887 states and 1367 transitions. [2024-11-20 07:57:25,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1367 transitions. [2024-11-20 07:57:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2024-11-20 07:57:25,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:25,098 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:25,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 07:57:25,099 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:25,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:25,099 INFO L85 PathProgramCache]: Analyzing trace with hash -334766766, now seen corresponding path program 1 times [2024-11-20 07:57:25,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:25,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687451463] [2024-11-20 07:57:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:25,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:26,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:26,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687451463] [2024-11-20 07:57:26,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687451463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:26,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:26,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:57:26,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084586384] [2024-11-20 07:57:26,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:26,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:57:26,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:57:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:57:26,770 INFO L87 Difference]: Start difference. First operand 887 states and 1367 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:27,182 INFO L93 Difference]: Finished difference Result 2521 states and 3889 transitions. [2024-11-20 07:57:27,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:57:27,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 440 [2024-11-20 07:57:27,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:27,188 INFO L225 Difference]: With dead ends: 2521 [2024-11-20 07:57:27,188 INFO L226 Difference]: Without dead ends: 1637 [2024-11-20 07:57:27,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:57:27,192 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 376 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:27,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 1324 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:57:27,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2024-11-20 07:57:27,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1583. [2024-11-20 07:57:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1379 states have (on average 1.495286439448876) internal successors, (2062), 1381 states have internal predecessors, (2062), 198 states have call successors, (198), 5 states have call predecessors, (198), 5 states have return successors, (198), 196 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-20 07:57:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2458 transitions. [2024-11-20 07:57:27,304 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2458 transitions. Word has length 440 [2024-11-20 07:57:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:27,305 INFO L471 AbstractCegarLoop]: Abstraction has 1583 states and 2458 transitions. [2024-11-20 07:57:27,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2458 transitions. [2024-11-20 07:57:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-11-20 07:57:27,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:27,311 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:27,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 07:57:27,311 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:27,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:27,312 INFO L85 PathProgramCache]: Analyzing trace with hash 899239339, now seen corresponding path program 1 times [2024-11-20 07:57:27,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:27,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274871906] [2024-11-20 07:57:27,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:27,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:28,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:28,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274871906] [2024-11-20 07:57:28,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274871906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:28,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:28,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:57:28,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597503068] [2024-11-20 07:57:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:28,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:57:28,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:28,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:57:28,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:57:28,609 INFO L87 Difference]: Start difference. First operand 1583 states and 2458 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:29,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:29,085 INFO L93 Difference]: Finished difference Result 3082 states and 4758 transitions. [2024-11-20 07:57:29,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:57:29,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 441 [2024-11-20 07:57:29,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:29,092 INFO L225 Difference]: With dead ends: 3082 [2024-11-20 07:57:29,092 INFO L226 Difference]: Without dead ends: 1637 [2024-11-20 07:57:29,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:57:29,095 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 375 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:29,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1813 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:57:29,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2024-11-20 07:57:29,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1583. [2024-11-20 07:57:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1379 states have (on average 1.4880348078317622) internal successors, (2052), 1381 states have internal predecessors, (2052), 198 states have call successors, (198), 5 states have call predecessors, (198), 5 states have return successors, (198), 196 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-20 07:57:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2448 transitions. [2024-11-20 07:57:29,184 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2448 transitions. Word has length 441 [2024-11-20 07:57:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:29,184 INFO L471 AbstractCegarLoop]: Abstraction has 1583 states and 2448 transitions. [2024-11-20 07:57:29,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2448 transitions. [2024-11-20 07:57:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-11-20 07:57:29,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:29,189 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:29,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 07:57:29,189 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:29,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:29,190 INFO L85 PathProgramCache]: Analyzing trace with hash -678641456, now seen corresponding path program 1 times [2024-11-20 07:57:29,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:29,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273683506] [2024-11-20 07:57:29,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:29,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:29,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:29,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273683506] [2024-11-20 07:57:29,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273683506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:29,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:29,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:57:29,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610588767] [2024-11-20 07:57:29,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:29,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:57:29,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:29,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:57:29,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:57:29,628 INFO L87 Difference]: Start difference. First operand 1583 states and 2448 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:29,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:29,956 INFO L93 Difference]: Finished difference Result 3070 states and 4728 transitions. [2024-11-20 07:57:29,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:57:29,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 443 [2024-11-20 07:57:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:29,963 INFO L225 Difference]: With dead ends: 3070 [2024-11-20 07:57:29,963 INFO L226 Difference]: Without dead ends: 1623 [2024-11-20 07:57:29,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:57:29,966 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 385 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:29,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1830 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:57:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2024-11-20 07:57:30,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1577. [2024-11-20 07:57:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1373 states have (on average 1.484340859431901) internal successors, (2038), 1375 states have internal predecessors, (2038), 198 states have call successors, (198), 5 states have call predecessors, (198), 5 states have return successors, (198), 196 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-20 07:57:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2434 transitions. [2024-11-20 07:57:30,044 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2434 transitions. Word has length 443 [2024-11-20 07:57:30,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:30,044 INFO L471 AbstractCegarLoop]: Abstraction has 1577 states and 2434 transitions. [2024-11-20 07:57:30,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2434 transitions. [2024-11-20 07:57:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-11-20 07:57:30,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:30,047 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:30,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 07:57:30,047 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:30,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:30,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1752861218, now seen corresponding path program 1 times [2024-11-20 07:57:30,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:30,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964720337] [2024-11-20 07:57:30,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 27 proven. 156 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:57:32,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:32,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964720337] [2024-11-20 07:57:32,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964720337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:57:32,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221984163] [2024-11-20 07:57:32,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:32,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:57:32,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:57:32,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:57:32,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 07:57:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:32,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 07:57:32,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:57:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 2437 proven. 147 refuted. 0 times theorem prover too weak. 4980 trivial. 0 not checked. [2024-11-20 07:57:33,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:57:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 36 proven. 147 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:57:34,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221984163] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:57:34,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:57:34,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 17 [2024-11-20 07:57:34,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278551947] [2024-11-20 07:57:34,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:57:34,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 07:57:34,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:34,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 07:57:34,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-20 07:57:34,126 INFO L87 Difference]: Start difference. First operand 1577 states and 2434 transitions. Second operand has 17 states, 17 states have (on average 16.823529411764707) internal successors, (286), 17 states have internal predecessors, (286), 6 states have call successors, (186), 3 states have call predecessors, (186), 6 states have return successors, (186), 6 states have call predecessors, (186), 6 states have call successors, (186) [2024-11-20 07:57:35,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:35,765 INFO L93 Difference]: Finished difference Result 4070 states and 6231 transitions. [2024-11-20 07:57:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-20 07:57:35,766 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 16.823529411764707) internal successors, (286), 17 states have internal predecessors, (286), 6 states have call successors, (186), 3 states have call predecessors, (186), 6 states have return successors, (186), 6 states have call predecessors, (186), 6 states have call successors, (186) Word has length 443 [2024-11-20 07:57:35,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:35,776 INFO L225 Difference]: With dead ends: 4070 [2024-11-20 07:57:35,776 INFO L226 Difference]: Without dead ends: 2637 [2024-11-20 07:57:35,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1034 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=956, Unknown=0, NotChecked=0, Total=1260 [2024-11-20 07:57:35,781 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 2191 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2201 SdHoareTripleChecker+Valid, 3854 SdHoareTripleChecker+Invalid, 2332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 1771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:35,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2201 Valid, 3854 Invalid, 2332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 1771 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 07:57:35,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2024-11-20 07:57:35,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2132. [2024-11-20 07:57:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1852 states have (on average 1.4659827213822894) internal successors, (2715), 1855 states have internal predecessors, (2715), 266 states have call successors, (266), 13 states have call predecessors, (266), 13 states have return successors, (266), 263 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-20 07:57:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3247 transitions. [2024-11-20 07:57:35,931 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 3247 transitions. Word has length 443 [2024-11-20 07:57:35,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:35,932 INFO L471 AbstractCegarLoop]: Abstraction has 2132 states and 3247 transitions. [2024-11-20 07:57:35,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 16.823529411764707) internal successors, (286), 17 states have internal predecessors, (286), 6 states have call successors, (186), 3 states have call predecessors, (186), 6 states have return successors, (186), 6 states have call predecessors, (186), 6 states have call successors, (186) [2024-11-20 07:57:35,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3247 transitions. [2024-11-20 07:57:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-11-20 07:57:35,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:35,935 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:35,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 07:57:36,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:57:36,137 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:36,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:36,137 INFO L85 PathProgramCache]: Analyzing trace with hash 817060509, now seen corresponding path program 1 times [2024-11-20 07:57:36,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:36,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883329717] [2024-11-20 07:57:36,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:36,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 33 proven. 150 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:57:38,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:38,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883329717] [2024-11-20 07:57:38,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883329717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:57:38,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446259724] [2024-11-20 07:57:38,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:38,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:57:38,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:57:38,619 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) [2024-11-20 07:57:38,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 07:57:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:38,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 07:57:38,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:57:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 2283 proven. 150 refuted. 0 times theorem prover too weak. 5131 trivial. 0 not checked. [2024-11-20 07:57:39,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:57:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 33 proven. 150 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:57:39,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446259724] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:57:39,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:57:39,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-20 07:57:39,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949987259] [2024-11-20 07:57:39,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:57:39,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 07:57:39,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:39,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 07:57:39,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:57:39,657 INFO L87 Difference]: Start difference. First operand 2132 states and 3247 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 2 states have call predecessors, (113), 2 states have call successors, (113) [2024-11-20 07:57:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:40,045 INFO L93 Difference]: Finished difference Result 4118 states and 6251 transitions. [2024-11-20 07:57:40,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 07:57:40,046 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 2 states have call predecessors, (113), 2 states have call successors, (113) Word has length 445 [2024-11-20 07:57:40,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:40,060 INFO L225 Difference]: With dead ends: 4118 [2024-11-20 07:57:40,060 INFO L226 Difference]: Without dead ends: 2168 [2024-11-20 07:57:40,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1020 GetRequests, 1010 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-20 07:57:40,070 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 572 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:40,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 1030 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:57:40,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2024-11-20 07:57:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2138. [2024-11-20 07:57:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2138 states, 1854 states have (on average 1.4492988133764833) internal successors, (2687), 1857 states have internal predecessors, (2687), 266 states have call successors, (266), 17 states have call predecessors, (266), 17 states have return successors, (266), 263 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-20 07:57:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 3219 transitions. [2024-11-20 07:57:40,238 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 3219 transitions. Word has length 445 [2024-11-20 07:57:40,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:40,239 INFO L471 AbstractCegarLoop]: Abstraction has 2138 states and 3219 transitions. [2024-11-20 07:57:40,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 2 states have call predecessors, (113), 2 states have call successors, (113) [2024-11-20 07:57:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 3219 transitions. [2024-11-20 07:57:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-11-20 07:57:40,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:40,243 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:40,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 07:57:40,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-20 07:57:40,448 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:40,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:40,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2140088739, now seen corresponding path program 1 times [2024-11-20 07:57:40,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:40,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042626539] [2024-11-20 07:57:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:40,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:41,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:41,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042626539] [2024-11-20 07:57:41,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042626539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:41,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:57:41,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 07:57:41,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869004074] [2024-11-20 07:57:41,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:41,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 07:57:41,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:41,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 07:57:41,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:57:41,662 INFO L87 Difference]: Start difference. First operand 2138 states and 3219 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:42,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:42,063 INFO L93 Difference]: Finished difference Result 3717 states and 5601 transitions. [2024-11-20 07:57:42,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 07:57:42,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 445 [2024-11-20 07:57:42,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:42,073 INFO L225 Difference]: With dead ends: 3717 [2024-11-20 07:57:42,073 INFO L226 Difference]: Without dead ends: 2552 [2024-11-20 07:57:42,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:57:42,076 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 870 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:42,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [870 Valid, 1649 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:57:42,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2024-11-20 07:57:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2291. [2024-11-20 07:57:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2291 states, 2007 states have (on average 1.460388639760837) internal successors, (2931), 2010 states have internal predecessors, (2931), 266 states have call successors, (266), 17 states have call predecessors, (266), 17 states have return successors, (266), 263 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-20 07:57:42,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 2291 states and 3463 transitions. [2024-11-20 07:57:42,271 INFO L78 Accepts]: Start accepts. Automaton has 2291 states and 3463 transitions. Word has length 445 [2024-11-20 07:57:42,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:42,272 INFO L471 AbstractCegarLoop]: Abstraction has 2291 states and 3463 transitions. [2024-11-20 07:57:42,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 3463 transitions. [2024-11-20 07:57:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-11-20 07:57:42,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:42,276 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:42,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 07:57:42,276 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:42,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:42,277 INFO L85 PathProgramCache]: Analyzing trace with hash 535903643, now seen corresponding path program 1 times [2024-11-20 07:57:42,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:42,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156906154] [2024-11-20 07:57:42,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:42,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 120 proven. 63 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:57:43,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:43,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156906154] [2024-11-20 07:57:43,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156906154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:57:43,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054135737] [2024-11-20 07:57:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:57:43,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:57:43,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:57:43,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 07:57:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:44,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-20 07:57:44,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:57:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 3516 proven. 456 refuted. 0 times theorem prover too weak. 3592 trivial. 0 not checked. [2024-11-20 07:57:46,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:57:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 240 proven. 474 refuted. 0 times theorem prover too weak. 6850 trivial. 0 not checked. [2024-11-20 07:57:47,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054135737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:57:47,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:57:47,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 32 [2024-11-20 07:57:47,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511724943] [2024-11-20 07:57:47,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:57:47,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-20 07:57:47,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:47,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-20 07:57:47,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=776, Unknown=0, NotChecked=0, Total=992 [2024-11-20 07:57:47,158 INFO L87 Difference]: Start difference. First operand 2291 states and 3463 transitions. Second operand has 32 states, 29 states have (on average 11.689655172413794) internal successors, (339), 28 states have internal predecessors, (339), 12 states have call successors, (165), 5 states have call predecessors, (165), 10 states have return successors, (166), 11 states have call predecessors, (166), 12 states have call successors, (166) [2024-11-20 07:57:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:50,136 INFO L93 Difference]: Finished difference Result 6513 states and 9736 transitions. [2024-11-20 07:57:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-20 07:57:50,138 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 29 states have (on average 11.689655172413794) internal successors, (339), 28 states have internal predecessors, (339), 12 states have call successors, (165), 5 states have call predecessors, (165), 10 states have return successors, (166), 11 states have call predecessors, (166), 12 states have call successors, (166) Word has length 445 [2024-11-20 07:57:50,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:50,156 INFO L225 Difference]: With dead ends: 6513 [2024-11-20 07:57:50,156 INFO L226 Difference]: Without dead ends: 4559 [2024-11-20 07:57:50,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1073 GetRequests, 998 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1655 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1558, Invalid=4294, Unknown=0, NotChecked=0, Total=5852 [2024-11-20 07:57:50,166 INFO L432 NwaCegarLoop]: 331 mSDtfsCounter, 3196 mSDsluCounter, 2352 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3196 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:50,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3196 Valid, 2683 Invalid, 2296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 07:57:50,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4559 states. [2024-11-20 07:57:50,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4559 to 4503. [2024-11-20 07:57:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4503 states, 3966 states have (on average 1.4422592032274333) internal successors, (5720), 3972 states have internal predecessors, (5720), 470 states have call successors, (470), 66 states have call predecessors, (470), 66 states have return successors, (470), 464 states have call predecessors, (470), 470 states have call successors, (470) [2024-11-20 07:57:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4503 states to 4503 states and 6660 transitions. [2024-11-20 07:57:50,550 INFO L78 Accepts]: Start accepts. Automaton has 4503 states and 6660 transitions. Word has length 445 [2024-11-20 07:57:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:50,551 INFO L471 AbstractCegarLoop]: Abstraction has 4503 states and 6660 transitions. [2024-11-20 07:57:50,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 29 states have (on average 11.689655172413794) internal successors, (339), 28 states have internal predecessors, (339), 12 states have call successors, (165), 5 states have call predecessors, (165), 10 states have return successors, (166), 11 states have call predecessors, (166), 12 states have call successors, (166) [2024-11-20 07:57:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 4503 states and 6660 transitions. [2024-11-20 07:57:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2024-11-20 07:57:50,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:50,555 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:50,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 07:57:50,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:57:50,759 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:50,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:50,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1904074568, now seen corresponding path program 1 times [2024-11-20 07:57:50,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:50,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671461006] [2024-11-20 07:57:50,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:50,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:57:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:57:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:57:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:57:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:57:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:57:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:57:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:57:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:57:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:57:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:57:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:57:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:57:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:57:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:57:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:57:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:57:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:57:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:57:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:57:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:57:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:57:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:57:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:57:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:57:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:57:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:57:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:57:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:57:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:57:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:57:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:57:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:57:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:57:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:57:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:57:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:57:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:57:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:57:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:57:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:57:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:57:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:57:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:57:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:57:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:57:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:57:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:57:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:57:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:57:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:57:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:57:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:57:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:57:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:57:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:57:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:57:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:57:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:57:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:57:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:57:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:57:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:57:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 135 proven. 48 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:57:52,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:57:52,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671461006] [2024-11-20 07:57:52,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671461006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:57:52,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099050625] [2024-11-20 07:57:52,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:52,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:57:52,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:57:52,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:57:52,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 07:57:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:57:53,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 07:57:53,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:57:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:57:53,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 07:57:53,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099050625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:57:53,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 07:57:53,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-20 07:57:53,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503552762] [2024-11-20 07:57:53,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:57:53,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 07:57:53,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:57:53,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 07:57:53,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 07:57:53,167 INFO L87 Difference]: Start difference. First operand 4503 states and 6660 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:54,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:57:54,076 INFO L93 Difference]: Finished difference Result 12407 states and 18390 transitions. [2024-11-20 07:57:54,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 07:57:54,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 446 [2024-11-20 07:57:54,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:57:54,100 INFO L225 Difference]: With dead ends: 12407 [2024-11-20 07:57:54,100 INFO L226 Difference]: Without dead ends: 8413 [2024-11-20 07:57:54,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-20 07:57:54,107 INFO L432 NwaCegarLoop]: 793 mSDtfsCounter, 862 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 2343 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 07:57:54,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 2343 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 07:57:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8413 states. [2024-11-20 07:57:54,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8413 to 6093. [2024-11-20 07:57:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6093 states, 5556 states have (on average 1.4622030237580994) internal successors, (8124), 5562 states have internal predecessors, (8124), 470 states have call successors, (470), 66 states have call predecessors, (470), 66 states have return successors, (470), 464 states have call predecessors, (470), 470 states have call successors, (470) [2024-11-20 07:57:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6093 states to 6093 states and 9064 transitions. [2024-11-20 07:57:54,372 INFO L78 Accepts]: Start accepts. Automaton has 6093 states and 9064 transitions. Word has length 446 [2024-11-20 07:57:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:57:54,373 INFO L471 AbstractCegarLoop]: Abstraction has 6093 states and 9064 transitions. [2024-11-20 07:57:54,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:57:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 6093 states and 9064 transitions. [2024-11-20 07:57:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-20 07:57:54,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:57:54,377 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:57:54,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 07:57:54,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:57:54,578 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:57:54,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:57:54,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1732033960, now seen corresponding path program 1 times [2024-11-20 07:57:54,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:57:54,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812547658] [2024-11-20 07:57:54,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:57:54,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:58:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:58:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:58:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:58:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:58:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:58:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:58:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:58:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:58:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:58:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:58:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:58:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:58:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:58:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:58:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:58:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:58:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:58:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:58:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:58:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:58:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:58:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:58:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:58:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:58:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:58:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:58:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:58:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:58:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:58:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:58:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:58:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:58:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:58:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:58:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:58:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:58:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:58:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:58:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:58:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:58:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:58:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:58:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:58:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:58:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:58:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:58:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:58:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:58:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:58:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:58:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:58:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:58:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:58:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:58:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:58:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:58:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:58:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:58:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:58:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:58:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:58:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:58:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 135 proven. 48 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:58:02,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:58:02,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812547658] [2024-11-20 07:58:02,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812547658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:58:02,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143119099] [2024-11-20 07:58:02,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:02,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:58:02,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:58:02,422 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:58:02,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 07:58:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:02,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 07:58:02,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:58:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:58:02,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 07:58:02,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143119099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:58:02,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 07:58:02,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2024-11-20 07:58:02,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820102842] [2024-11-20 07:58:02,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:58:02,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 07:58:02,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:58:02,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 07:58:02,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-20 07:58:02,908 INFO L87 Difference]: Start difference. First operand 6093 states and 9064 transitions. Second operand has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:58:05,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:58:05,761 INFO L93 Difference]: Finished difference Result 21049 states and 31282 transitions. [2024-11-20 07:58:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 07:58:05,762 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 447 [2024-11-20 07:58:05,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:58:05,794 INFO L225 Difference]: With dead ends: 21049 [2024-11-20 07:58:05,794 INFO L226 Difference]: Without dead ends: 15609 [2024-11-20 07:58:05,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-20 07:58:05,804 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 1848 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 3684 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:58:05,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 3684 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-20 07:58:05,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15609 states. [2024-11-20 07:58:06,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15609 to 7639. [2024-11-20 07:58:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7639 states, 7102 states have (on average 1.4598704590256266) internal successors, (10368), 7108 states have internal predecessors, (10368), 470 states have call successors, (470), 66 states have call predecessors, (470), 66 states have return successors, (470), 464 states have call predecessors, (470), 470 states have call successors, (470) [2024-11-20 07:58:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7639 states to 7639 states and 11308 transitions. [2024-11-20 07:58:06,310 INFO L78 Accepts]: Start accepts. Automaton has 7639 states and 11308 transitions. Word has length 447 [2024-11-20 07:58:06,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:58:06,312 INFO L471 AbstractCegarLoop]: Abstraction has 7639 states and 11308 transitions. [2024-11-20 07:58:06,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:58:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 7639 states and 11308 transitions. [2024-11-20 07:58:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2024-11-20 07:58:06,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:58:06,319 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:58:06,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 07:58:06,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-20 07:58:06,521 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:58:06,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:58:06,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1342497506, now seen corresponding path program 1 times [2024-11-20 07:58:06,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:58:06,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557563632] [2024-11-20 07:58:06,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:06,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:58:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:58:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:58:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:58:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:58:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:58:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:58:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:58:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:58:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:58:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:58:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:58:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:58:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:58:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:58:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:58:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:58:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:58:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:58:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:58:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:58:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:58:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:58:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:58:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:58:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:58:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:58:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:58:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:58:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:58:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:58:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:58:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:58:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:58:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:58:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:58:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:58:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:58:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:58:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:58:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:58:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:58:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:58:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:58:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:58:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:58:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:58:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:58:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:58:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:58:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:58:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:58:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:58:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:58:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:58:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:58:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:58:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:58:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:58:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:58:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:58:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:58:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:58:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:06,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:58:06,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:58:06,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557563632] [2024-11-20 07:58:06,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557563632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:58:06,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:58:06,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:58:06,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289335967] [2024-11-20 07:58:06,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:58:06,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:58:06,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:58:06,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:58:06,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:58:06,895 INFO L87 Difference]: Start difference. First operand 7639 states and 11308 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:58:07,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:58:07,157 INFO L93 Difference]: Finished difference Result 15743 states and 23479 transitions. [2024-11-20 07:58:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:58:07,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 448 [2024-11-20 07:58:07,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:58:07,186 INFO L225 Difference]: With dead ends: 15743 [2024-11-20 07:58:07,186 INFO L226 Difference]: Without dead ends: 9029 [2024-11-20 07:58:07,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:58:07,201 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 84 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:58:07,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1809 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:58:07,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9029 states. [2024-11-20 07:58:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9029 to 8047. [2024-11-20 07:58:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8047 states, 7510 states have (on average 1.4508655126498002) internal successors, (10896), 7516 states have internal predecessors, (10896), 470 states have call successors, (470), 66 states have call predecessors, (470), 66 states have return successors, (470), 464 states have call predecessors, (470), 470 states have call successors, (470) [2024-11-20 07:58:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8047 states to 8047 states and 11836 transitions. [2024-11-20 07:58:07,628 INFO L78 Accepts]: Start accepts. Automaton has 8047 states and 11836 transitions. Word has length 448 [2024-11-20 07:58:07,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:58:07,629 INFO L471 AbstractCegarLoop]: Abstraction has 8047 states and 11836 transitions. [2024-11-20 07:58:07,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:58:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 8047 states and 11836 transitions. [2024-11-20 07:58:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2024-11-20 07:58:07,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:58:07,634 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:58:07,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 07:58:07,634 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:58:07,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:58:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash -481393680, now seen corresponding path program 1 times [2024-11-20 07:58:07,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:58:07,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104328956] [2024-11-20 07:58:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:07,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:58:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:58:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:58:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:58:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:58:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:58:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:58:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:58:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:58:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:58:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:58:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:58:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:58:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:58:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:58:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:58:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:58:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:58:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:58:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:58:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:58:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:58:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:58:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:58:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:58:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:58:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:58:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:58:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:58:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:58:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:58:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:58:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:58:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:58:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:58:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:58:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:58:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:58:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:58:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:58:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:58:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:58:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:58:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:58:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:58:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:58:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:58:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:58:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:58:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:58:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:58:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:58:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:58:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:58:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:58:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:58:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:58:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:58:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:58:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:58:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:58:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:58:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:58:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 99 proven. 261 refuted. 0 times theorem prover too weak. 7204 trivial. 0 not checked. [2024-11-20 07:58:10,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:58:10,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104328956] [2024-11-20 07:58:10,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104328956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:58:10,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791754009] [2024-11-20 07:58:10,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:10,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:58:10,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:58:10,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:58:10,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 07:58:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:10,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 07:58:10,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:58:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:58:11,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 07:58:11,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791754009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:58:11,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 07:58:11,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 17 [2024-11-20 07:58:11,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296077849] [2024-11-20 07:58:11,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:58:11,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 07:58:11,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:58:11,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 07:58:11,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-11-20 07:58:11,462 INFO L87 Difference]: Start difference. First operand 8047 states and 11836 transitions. Second operand has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 6 states have internal predecessors, (141), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:58:13,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:58:13,037 INFO L93 Difference]: Finished difference Result 27625 states and 40739 transitions. [2024-11-20 07:58:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 07:58:13,038 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 6 states have internal predecessors, (141), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 448 [2024-11-20 07:58:13,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:58:13,077 INFO L225 Difference]: With dead ends: 27625 [2024-11-20 07:58:13,077 INFO L226 Difference]: Without dead ends: 21359 [2024-11-20 07:58:13,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-11-20 07:58:13,093 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 1266 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 07:58:13,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 2073 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 07:58:13,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21359 states. [2024-11-20 07:58:13,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21359 to 18183. [2024-11-20 07:58:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18183 states, 17182 states have (on average 1.4651379350483065) internal successors, (25174), 17194 states have internal predecessors, (25174), 878 states have call successors, (878), 122 states have call predecessors, (878), 122 states have return successors, (878), 866 states have call predecessors, (878), 878 states have call successors, (878) [2024-11-20 07:58:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18183 states to 18183 states and 26930 transitions. [2024-11-20 07:58:13,754 INFO L78 Accepts]: Start accepts. Automaton has 18183 states and 26930 transitions. Word has length 448 [2024-11-20 07:58:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:58:13,754 INFO L471 AbstractCegarLoop]: Abstraction has 18183 states and 26930 transitions. [2024-11-20 07:58:13,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 6 states have internal predecessors, (141), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:58:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 18183 states and 26930 transitions. [2024-11-20 07:58:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2024-11-20 07:58:13,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:58:13,765 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:58:13,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 07:58:13,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 07:58:13,969 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:58:13,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:58:13,970 INFO L85 PathProgramCache]: Analyzing trace with hash 773497885, now seen corresponding path program 1 times [2024-11-20 07:58:13,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:58:13,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913353296] [2024-11-20 07:58:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:13,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:58:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:58:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:58:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:58:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:58:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:58:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:58:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:58:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:58:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:58:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:58:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:58:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:58:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:58:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:58:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:58:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:58:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:58:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:58:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:58:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:58:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:58:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:58:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:58:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:58:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:58:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:58:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:58:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:58:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:58:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:58:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:58:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:58:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:58:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:58:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:58:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:58:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:58:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:58:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:58:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:58:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:58:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:58:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:58:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:58:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:58:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:58:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:58:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:58:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:58:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:58:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:58:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:58:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:58:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:58:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:58:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:58:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:58:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:58:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:58:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:58:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:58:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:58:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:58:14,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:58:14,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913353296] [2024-11-20 07:58:14,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913353296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:58:14,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:58:14,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:58:14,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618846283] [2024-11-20 07:58:14,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:58:14,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:58:14,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:58:14,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:58:14,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:58:14,422 INFO L87 Difference]: Start difference. First operand 18183 states and 26930 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:58:15,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:58:15,003 INFO L93 Difference]: Finished difference Result 33749 states and 50199 transitions. [2024-11-20 07:58:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:58:15,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 449 [2024-11-20 07:58:15,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:58:15,042 INFO L225 Difference]: With dead ends: 33749 [2024-11-20 07:58:15,042 INFO L226 Difference]: Without dead ends: 20051 [2024-11-20 07:58:15,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:58:15,067 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 86 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:58:15,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 1684 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:58:15,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20051 states. [2024-11-20 07:58:15,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20051 to 18015. [2024-11-20 07:58:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18015 states, 17014 states have (on average 1.4654990008228517) internal successors, (24934), 17026 states have internal predecessors, (24934), 878 states have call successors, (878), 122 states have call predecessors, (878), 122 states have return successors, (878), 866 states have call predecessors, (878), 878 states have call successors, (878) [2024-11-20 07:58:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18015 states to 18015 states and 26690 transitions. [2024-11-20 07:58:15,781 INFO L78 Accepts]: Start accepts. Automaton has 18015 states and 26690 transitions. Word has length 449 [2024-11-20 07:58:15,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:58:15,783 INFO L471 AbstractCegarLoop]: Abstraction has 18015 states and 26690 transitions. [2024-11-20 07:58:15,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-11-20 07:58:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 18015 states and 26690 transitions. [2024-11-20 07:58:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2024-11-20 07:58:15,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:58:15,795 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:58:15,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 07:58:15,795 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:58:15,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:58:15,796 INFO L85 PathProgramCache]: Analyzing trace with hash -985309377, now seen corresponding path program 1 times [2024-11-20 07:58:15,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:58:15,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591130453] [2024-11-20 07:58:15,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:15,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:58:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:58:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:58:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:58:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:58:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:58:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:58:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:58:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:58:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:58:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:58:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:58:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:58:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:58:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:58:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:58:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:58:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:58:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:58:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:58:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:58:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:58:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:58:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:58:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:58:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:58:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:58:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:58:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:58:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:58:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:58:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:58:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:58:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:58:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:58:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:58:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:58:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:58:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:58:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:58:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:58:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:58:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:58:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:58:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:58:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:58:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:58:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:58:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:58:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:58:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:58:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:58:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:58:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:58:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:58:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:58:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:58:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:58:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:58:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:58:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:58:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:58:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:58:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 135 proven. 48 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:58:17,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:58:17,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591130453] [2024-11-20 07:58:17,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591130453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:58:17,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625577898] [2024-11-20 07:58:17,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:17,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:58:17,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:58:17,154 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:58:17,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 07:58:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:17,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-20 07:58:17,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:58:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 3646 proven. 375 refuted. 0 times theorem prover too weak. 3543 trivial. 0 not checked. [2024-11-20 07:58:18,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:58:20,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 156 proven. 384 refuted. 0 times theorem prover too weak. 7024 trivial. 0 not checked. [2024-11-20 07:58:20,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625577898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:58:20,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:58:20,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 15] total 30 [2024-11-20 07:58:20,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161333232] [2024-11-20 07:58:20,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:58:20,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-20 07:58:20,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:58:20,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-20 07:58:20,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=713, Unknown=0, NotChecked=0, Total=870 [2024-11-20 07:58:20,473 INFO L87 Difference]: Start difference. First operand 18015 states and 26690 transitions. Second operand has 30 states, 29 states have (on average 11.586206896551724) internal successors, (336), 28 states have internal predecessors, (336), 8 states have call successors, (156), 4 states have call predecessors, (156), 9 states have return successors, (158), 8 states have call predecessors, (158), 8 states have call successors, (158) [2024-11-20 07:58:25,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:58:25,006 INFO L93 Difference]: Finished difference Result 91860 states and 136948 transitions. [2024-11-20 07:58:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-20 07:58:25,007 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 11.586206896551724) internal successors, (336), 28 states have internal predecessors, (336), 8 states have call successors, (156), 4 states have call predecessors, (156), 9 states have return successors, (158), 8 states have call predecessors, (158), 8 states have call successors, (158) Word has length 449 [2024-11-20 07:58:25,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:58:25,111 INFO L225 Difference]: With dead ends: 91860 [2024-11-20 07:58:25,112 INFO L226 Difference]: Without dead ends: 75701 [2024-11-20 07:58:25,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 1004 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=858, Invalid=2924, Unknown=0, NotChecked=0, Total=3782 [2024-11-20 07:58:25,160 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 4566 mSDsluCounter, 4394 mSDsCounter, 0 mSdLazyCounter, 3862 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4566 SdHoareTripleChecker+Valid, 4812 SdHoareTripleChecker+Invalid, 4166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 3862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:58:25,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4566 Valid, 4812 Invalid, 4166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 3862 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-20 07:58:25,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75701 states. [2024-11-20 07:58:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75701 to 39849. [2024-11-20 07:58:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39849 states, 38809 states have (on average 1.477054291530315) internal successors, (57323), 38821 states have internal predecessors, (57323), 878 states have call successors, (878), 161 states have call predecessors, (878), 161 states have return successors, (878), 866 states have call predecessors, (878), 878 states have call successors, (878) [2024-11-20 07:58:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39849 states to 39849 states and 59079 transitions. [2024-11-20 07:58:26,486 INFO L78 Accepts]: Start accepts. Automaton has 39849 states and 59079 transitions. Word has length 449 [2024-11-20 07:58:26,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:58:26,486 INFO L471 AbstractCegarLoop]: Abstraction has 39849 states and 59079 transitions. [2024-11-20 07:58:26,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 11.586206896551724) internal successors, (336), 28 states have internal predecessors, (336), 8 states have call successors, (156), 4 states have call predecessors, (156), 9 states have return successors, (158), 8 states have call predecessors, (158), 8 states have call successors, (158) [2024-11-20 07:58:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 39849 states and 59079 transitions. [2024-11-20 07:58:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2024-11-20 07:58:26,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:58:26,504 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:58:26,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 07:58:26,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:58:26,709 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:58:26,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:58:26,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1862782978, now seen corresponding path program 1 times [2024-11-20 07:58:26,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:58:26,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858683599] [2024-11-20 07:58:26,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:26,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:58:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:58:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:58:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:58:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:58:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:58:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:58:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 07:58:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:58:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 07:58:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:58:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 07:58:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:58:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 07:58:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:58:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 07:58:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:58:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 07:58:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:58:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 07:58:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:58:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 07:58:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:58:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:58:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:58:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:58:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 07:58:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:58:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 07:58:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 07:58:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 07:58:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 07:58:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 07:58:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 07:58:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 07:58:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 07:58:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 07:58:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 07:58:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:58:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:58:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-20 07:58:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:58:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-20 07:58:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:58:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-20 07:58:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:58:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-20 07:58:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:58:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-20 07:58:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:58:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-20 07:58:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:58:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-20 07:58:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:58:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-20 07:58:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:58:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-20 07:58:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:58:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-20 07:58:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-20 07:58:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-20 07:58:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-20 07:58:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-20 07:58:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 120 proven. 63 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-11-20 07:58:29,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:58:29,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858683599] [2024-11-20 07:58:29,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858683599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:58:29,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310658693] [2024-11-20 07:58:29,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:58:29,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:58:29,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:58:29,053 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 07:58:29,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 07:58:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:58:29,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 07:58:29,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:58:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-11-20 07:58:29,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 07:58:29,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310658693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:58:29,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 07:58:29,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-20 07:58:29,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655459949] [2024-11-20 07:58:29,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:58:29,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 07:58:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:58:29,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 07:58:29,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-20 07:58:29,599 INFO L87 Difference]: Start difference. First operand 39849 states and 59079 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62)