./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.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 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:19:32,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:19:32,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:19:32,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:19:32,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:19:32,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:19:32,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:19:32,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:19:32,676 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:19:32,676 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:19:32,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:19:32,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:19:32,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:19:32,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:19:32,681 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:19:32,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:19:32,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:19:32,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:19:32,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:19:32,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:19:32,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:19:32,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:19:32,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:19:32,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:19:32,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:19:32,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:19:32,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:19:32,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:19:32,690 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:19:32,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:19:32,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:19:32,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:19:32,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:19:32,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:19:32,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:19:32,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:19:32,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:19:32,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:19:32,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:19:32,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:19:32,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:19:32,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:19:32,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 [2024-11-10 06:19:33,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:19:33,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:19:33,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:19:33,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:19:33,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:19:33,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-11-10 06:19:34,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:19:35,020 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:19:35,021 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-11-10 06:19:35,034 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9074b759c/62311650599a40f2bce3238c367fbb32/FLAGd3215fb08 [2024-11-10 06:19:35,049 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9074b759c/62311650599a40f2bce3238c367fbb32 [2024-11-10 06:19:35,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:19:35,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:19:35,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:19:35,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:19:35,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:19:35,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a584cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35, skipping insertion in model container [2024-11-10 06:19:35,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:19:35,342 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2024-11-10 06:19:35,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:19:35,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:19:35,506 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2024-11-10 06:19:35,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:19:35,595 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:19:35,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35 WrapperNode [2024-11-10 06:19:35,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:19:35,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:19:35,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:19:35,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:19:35,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,699 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 273 [2024-11-10 06:19:35,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:19:35,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:19:35,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:19:35,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:19:35,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,765 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]. [2024-11-10 06:19:35,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:19:35,811 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:19:35,812 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:19:35,813 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:19:35,814 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (1/1) ... [2024-11-10 06:19:35,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:19:35,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:19:35,853 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) [2024-11-10 06:19:35,860 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 [2024-11-10 06:19:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:19:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:19:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:19:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:19:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:19:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:19:36,006 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:19:36,009 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:19:36,694 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L198: havoc property_#t~bitwise27#1;havoc property_#t~short28#1; [2024-11-10 06:19:36,741 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-10 06:19:36,742 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:19:36,783 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:19:36,784 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 06:19:36,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:19:36 BoogieIcfgContainer [2024-11-10 06:19:36,785 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:19:36,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:19:36,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:19:36,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:19:36,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:19:35" (1/3) ... [2024-11-10 06:19:36,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6208e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:19:36, skipping insertion in model container [2024-11-10 06:19:36,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:35" (2/3) ... [2024-11-10 06:19:36,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6208e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:19:36, skipping insertion in model container [2024-11-10 06:19:36,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:19:36" (3/3) ... [2024-11-10 06:19:36,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-11-10 06:19:36,821 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:19:36,822 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:19:36,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:19:36,912 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;@67364243, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:19:36,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:19:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 89 states have (on average 1.4943820224719102) internal successors, (133), 90 states have internal predecessors, (133), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 06:19:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-10 06:19:36,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:36,939 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:36,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:36,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:36,945 INFO L85 PathProgramCache]: Analyzing trace with hash -912589880, now seen corresponding path program 1 times [2024-11-10 06:19:36,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:36,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474819514] [2024-11-10 06:19:36,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:36,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:37,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:38,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:38,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474819514] [2024-11-10 06:19:38,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474819514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:38,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:38,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:19:38,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878634177] [2024-11-10 06:19:38,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:38,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:19:38,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:38,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:19:38,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:19:38,265 INFO L87 Difference]: Start difference. First operand has 126 states, 89 states have (on average 1.4943820224719102) internal successors, (133), 90 states have internal predecessors, (133), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:38,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:38,592 INFO L93 Difference]: Finished difference Result 363 states and 659 transitions. [2024-11-10 06:19:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:19:38,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-11-10 06:19:38,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:38,610 INFO L225 Difference]: With dead ends: 363 [2024-11-10 06:19:38,610 INFO L226 Difference]: Without dead ends: 240 [2024-11-10 06:19:38,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:19:38,619 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 128 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:38,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 464 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:19:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-10 06:19:38,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 236. [2024-11-10 06:19:38,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 165 states have (on average 1.4666666666666666) internal successors, (242), 165 states have internal predecessors, (242), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 06:19:38,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 378 transitions. [2024-11-10 06:19:38,714 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 378 transitions. Word has length 223 [2024-11-10 06:19:38,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:38,719 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 378 transitions. [2024-11-10 06:19:38,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 378 transitions. [2024-11-10 06:19:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-10 06:19:38,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:38,730 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:38,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:19:38,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:38,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:38,733 INFO L85 PathProgramCache]: Analyzing trace with hash 646399867, now seen corresponding path program 1 times [2024-11-10 06:19:38,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:38,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383460058] [2024-11-10 06:19:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:39,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:39,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383460058] [2024-11-10 06:19:39,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383460058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:39,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:39,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:19:39,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953653027] [2024-11-10 06:19:39,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:39,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:19:39,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:39,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:19:39,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:19:39,219 INFO L87 Difference]: Start difference. First operand 236 states and 378 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:39,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:39,450 INFO L93 Difference]: Finished difference Result 473 states and 757 transitions. [2024-11-10 06:19:39,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:19:39,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-10 06:19:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:39,459 INFO L225 Difference]: With dead ends: 473 [2024-11-10 06:19:39,460 INFO L226 Difference]: Without dead ends: 240 [2024-11-10 06:19:39,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:19:39,466 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 126 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:39,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 465 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:19:39,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-10 06:19:39,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 235. [2024-11-10 06:19:39,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 164 states have (on average 1.4634146341463414) internal successors, (240), 164 states have internal predecessors, (240), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 06:19:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 376 transitions. [2024-11-10 06:19:39,531 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 376 transitions. Word has length 224 [2024-11-10 06:19:39,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:39,531 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 376 transitions. [2024-11-10 06:19:39,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 376 transitions. [2024-11-10 06:19:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-10 06:19:39,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:39,535 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:39,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:19:39,536 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:39,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash 283745469, now seen corresponding path program 1 times [2024-11-10 06:19:39,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:39,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190122447] [2024-11-10 06:19:39,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:40,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:40,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190122447] [2024-11-10 06:19:40,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190122447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:40,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:40,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:19:40,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116425757] [2024-11-10 06:19:40,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:40,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:19:40,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:40,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:19:40,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:40,014 INFO L87 Difference]: Start difference. First operand 235 states and 376 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:40,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:40,126 INFO L93 Difference]: Finished difference Result 699 states and 1122 transitions. [2024-11-10 06:19:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:19:40,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-10 06:19:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:40,135 INFO L225 Difference]: With dead ends: 699 [2024-11-10 06:19:40,135 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 06:19:40,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:40,139 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 109 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:40,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 361 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:19:40,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 06:19:40,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 464. [2024-11-10 06:19:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 323 states have (on average 1.4458204334365325) internal successors, (467), 323 states have internal predecessors, (467), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-10 06:19:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 739 transitions. [2024-11-10 06:19:40,236 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 739 transitions. Word has length 224 [2024-11-10 06:19:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:40,238 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 739 transitions. [2024-11-10 06:19:40,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 739 transitions. [2024-11-10 06:19:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-10 06:19:40,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:40,244 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:40,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:19:40,245 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:40,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:40,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1877766396, now seen corresponding path program 1 times [2024-11-10 06:19:40,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:40,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480645854] [2024-11-10 06:19:40,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:40,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:40,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:40,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480645854] [2024-11-10 06:19:40,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480645854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:40,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:40,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:19:40,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770544090] [2024-11-10 06:19:40,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:40,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:19:40,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:40,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:19:40,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:40,449 INFO L87 Difference]: Start difference. First operand 464 states and 739 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:40,519 INFO L93 Difference]: Finished difference Result 1056 states and 1669 transitions. [2024-11-10 06:19:40,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:19:40,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 225 [2024-11-10 06:19:40,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:40,526 INFO L225 Difference]: With dead ends: 1056 [2024-11-10 06:19:40,527 INFO L226 Difference]: Without dead ends: 595 [2024-11-10 06:19:40,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:40,529 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:40,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 387 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:19:40,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-10 06:19:40,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 500. [2024-11-10 06:19:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 359 states have (on average 1.4456824512534818) internal successors, (519), 359 states have internal predecessors, (519), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-10 06:19:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 791 transitions. [2024-11-10 06:19:40,598 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 791 transitions. Word has length 225 [2024-11-10 06:19:40,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:40,599 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 791 transitions. [2024-11-10 06:19:40,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 791 transitions. [2024-11-10 06:19:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-10 06:19:40,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:40,603 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:40,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:19:40,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:40,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:40,604 INFO L85 PathProgramCache]: Analyzing trace with hash -2101501917, now seen corresponding path program 1 times [2024-11-10 06:19:40,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:40,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62949055] [2024-11-10 06:19:40,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:40,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:40,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:40,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62949055] [2024-11-10 06:19:40,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62949055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:40,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:40,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:19:40,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848486637] [2024-11-10 06:19:40,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:40,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:19:40,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:40,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:19:40,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:40,869 INFO L87 Difference]: Start difference. First operand 500 states and 791 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:41,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:41,002 INFO L93 Difference]: Finished difference Result 1470 states and 2335 transitions. [2024-11-10 06:19:41,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:19:41,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 225 [2024-11-10 06:19:41,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:41,014 INFO L225 Difference]: With dead ends: 1470 [2024-11-10 06:19:41,015 INFO L226 Difference]: Without dead ends: 973 [2024-11-10 06:19:41,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:41,019 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 171 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:41,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 463 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:19:41,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2024-11-10 06:19:41,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 970. [2024-11-10 06:19:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 689 states have (on average 1.4296081277213353) internal successors, (985), 689 states have internal predecessors, (985), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-10 06:19:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1529 transitions. [2024-11-10 06:19:41,109 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1529 transitions. Word has length 225 [2024-11-10 06:19:41,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:41,110 INFO L471 AbstractCegarLoop]: Abstraction has 970 states and 1529 transitions. [2024-11-10 06:19:41,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1529 transitions. [2024-11-10 06:19:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 06:19:41,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:41,114 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:41,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:19:41,114 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:41,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:41,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1443449785, now seen corresponding path program 1 times [2024-11-10 06:19:41,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:41,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150133086] [2024-11-10 06:19:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:41,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:41,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:41,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150133086] [2024-11-10 06:19:41,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150133086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:41,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:41,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:19:41,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436201466] [2024-11-10 06:19:41,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:41,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:19:41,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:41,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:19:41,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:19:41,588 INFO L87 Difference]: Start difference. First operand 970 states and 1529 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:42,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:42,444 INFO L93 Difference]: Finished difference Result 3874 states and 6121 transitions. [2024-11-10 06:19:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:19:42,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-10 06:19:42,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:42,468 INFO L225 Difference]: With dead ends: 3874 [2024-11-10 06:19:42,469 INFO L226 Difference]: Without dead ends: 2907 [2024-11-10 06:19:42,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:19:42,477 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 491 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:42,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 367 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 06:19:42,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2024-11-10 06:19:42,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 1934. [2024-11-10 06:19:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1934 states, 1373 states have (on average 1.4253459577567371) internal successors, (1957), 1373 states have internal predecessors, (1957), 544 states have call successors, (544), 16 states have call predecessors, (544), 16 states have return successors, (544), 544 states have call predecessors, (544), 544 states have call successors, (544) [2024-11-10 06:19:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 3045 transitions. [2024-11-10 06:19:42,747 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 3045 transitions. Word has length 226 [2024-11-10 06:19:42,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:42,747 INFO L471 AbstractCegarLoop]: Abstraction has 1934 states and 3045 transitions. [2024-11-10 06:19:42,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 3045 transitions. [2024-11-10 06:19:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-10 06:19:42,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:42,753 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:42,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 06:19:42,753 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:42,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:42,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1326917396, now seen corresponding path program 1 times [2024-11-10 06:19:42,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:42,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815106657] [2024-11-10 06:19:42,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:42,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:42,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:43,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:43,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815106657] [2024-11-10 06:19:43,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815106657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:43,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:43,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:19:43,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093295150] [2024-11-10 06:19:43,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:43,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:19:43,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:43,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:19:43,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:43,196 INFO L87 Difference]: Start difference. First operand 1934 states and 3045 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:43,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:43,521 INFO L93 Difference]: Finished difference Result 5796 states and 9129 transitions. [2024-11-10 06:19:43,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:19:43,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-11-10 06:19:43,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:43,557 INFO L225 Difference]: With dead ends: 5796 [2024-11-10 06:19:43,558 INFO L226 Difference]: Without dead ends: 3865 [2024-11-10 06:19:43,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:43,570 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 129 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:43,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 345 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:19:43,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2024-11-10 06:19:43,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3846. [2024-11-10 06:19:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 2725 states have (on average 1.4227522935779817) internal successors, (3877), 2725 states have internal predecessors, (3877), 1088 states have call successors, (1088), 32 states have call predecessors, (1088), 32 states have return successors, (1088), 1088 states have call predecessors, (1088), 1088 states have call successors, (1088) [2024-11-10 06:19:44,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 6053 transitions. [2024-11-10 06:19:44,034 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 6053 transitions. Word has length 227 [2024-11-10 06:19:44,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:44,035 INFO L471 AbstractCegarLoop]: Abstraction has 3846 states and 6053 transitions. [2024-11-10 06:19:44,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 6053 transitions. [2024-11-10 06:19:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-10 06:19:44,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:44,039 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:44,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 06:19:44,040 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:44,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:44,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1999237834, now seen corresponding path program 1 times [2024-11-10 06:19:44,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:44,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582777841] [2024-11-10 06:19:44,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:44,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:44,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:44,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582777841] [2024-11-10 06:19:44,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582777841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:44,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:44,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:19:44,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095857030] [2024-11-10 06:19:44,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:44,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:19:44,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:44,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:19:44,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:44,562 INFO L87 Difference]: Start difference. First operand 3846 states and 6053 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:45,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:45,147 INFO L93 Difference]: Finished difference Result 9660 states and 15225 transitions. [2024-11-10 06:19:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:19:45,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-10 06:19:45,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:45,193 INFO L225 Difference]: With dead ends: 9660 [2024-11-10 06:19:45,193 INFO L226 Difference]: Without dead ends: 5817 [2024-11-10 06:19:45,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:19:45,212 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 123 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:45,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 363 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:19:45,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5817 states. [2024-11-10 06:19:45,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5817 to 5814. [2024-11-10 06:19:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5814 states, 4133 states have (on average 1.4142269537865957) internal successors, (5845), 4133 states have internal predecessors, (5845), 1632 states have call successors, (1632), 48 states have call predecessors, (1632), 48 states have return successors, (1632), 1632 states have call predecessors, (1632), 1632 states have call successors, (1632) [2024-11-10 06:19:45,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5814 states to 5814 states and 9109 transitions. [2024-11-10 06:19:45,840 INFO L78 Accepts]: Start accepts. Automaton has 5814 states and 9109 transitions. Word has length 228 [2024-11-10 06:19:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:45,841 INFO L471 AbstractCegarLoop]: Abstraction has 5814 states and 9109 transitions. [2024-11-10 06:19:45,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5814 states and 9109 transitions. [2024-11-10 06:19:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-10 06:19:45,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:45,846 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:45,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 06:19:45,847 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:45,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:45,847 INFO L85 PathProgramCache]: Analyzing trace with hash 380949302, now seen corresponding path program 1 times [2024-11-10 06:19:45,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:45,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500578170] [2024-11-10 06:19:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:46,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:46,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500578170] [2024-11-10 06:19:46,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500578170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:46,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:46,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:19:46,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226898010] [2024-11-10 06:19:46,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:46,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:19:46,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:46,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:19:46,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:19:46,265 INFO L87 Difference]: Start difference. First operand 5814 states and 9109 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:48,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:48,328 INFO L93 Difference]: Finished difference Result 19505 states and 30567 transitions. [2024-11-10 06:19:48,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 06:19:48,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 230 [2024-11-10 06:19:48,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:48,467 INFO L225 Difference]: With dead ends: 19505 [2024-11-10 06:19:48,468 INFO L226 Difference]: Without dead ends: 13694 [2024-11-10 06:19:48,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:19:48,497 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 553 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:48,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 665 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 06:19:48,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13694 states. [2024-11-10 06:19:49,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13694 to 7816. [2024-11-10 06:19:49,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7816 states, 5659 states have (on average 1.4223361017847675) internal successors, (8049), 5687 states have internal predecessors, (8049), 2084 states have call successors, (2084), 72 states have call predecessors, (2084), 72 states have return successors, (2084), 2056 states have call predecessors, (2084), 2084 states have call successors, (2084) [2024-11-10 06:19:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7816 states to 7816 states and 12217 transitions. [2024-11-10 06:19:49,532 INFO L78 Accepts]: Start accepts. Automaton has 7816 states and 12217 transitions. Word has length 230 [2024-11-10 06:19:49,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:49,533 INFO L471 AbstractCegarLoop]: Abstraction has 7816 states and 12217 transitions. [2024-11-10 06:19:49,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 7816 states and 12217 transitions. [2024-11-10 06:19:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-10 06:19:49,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:49,538 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:49,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 06:19:49,539 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:49,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:49,539 INFO L85 PathProgramCache]: Analyzing trace with hash 411969109, now seen corresponding path program 1 times [2024-11-10 06:19:49,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:49,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780954520] [2024-11-10 06:19:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:49,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:49,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:50,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:50,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780954520] [2024-11-10 06:19:50,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780954520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:50,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:50,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:19:50,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164543514] [2024-11-10 06:19:50,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:50,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:19:50,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:50,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:19:50,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:19:50,105 INFO L87 Difference]: Start difference. First operand 7816 states and 12217 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:51,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:51,318 INFO L93 Difference]: Finished difference Result 18552 states and 28963 transitions. [2024-11-10 06:19:51,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:19:51,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 230 [2024-11-10 06:19:51,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:51,403 INFO L225 Difference]: With dead ends: 18552 [2024-11-10 06:19:51,404 INFO L226 Difference]: Without dead ends: 10739 [2024-11-10 06:19:51,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:19:51,447 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 129 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:51,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 500 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:19:51,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10739 states. [2024-11-10 06:19:52,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10739 to 10712. [2024-11-10 06:19:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10712 states, 7757 states have (on average 1.4179450818615444) internal successors, (10999), 7799 states have internal predecessors, (10999), 2854 states have call successors, (2854), 100 states have call predecessors, (2854), 100 states have return successors, (2854), 2812 states have call predecessors, (2854), 2854 states have call successors, (2854) [2024-11-10 06:19:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10712 states to 10712 states and 16707 transitions. [2024-11-10 06:19:52,930 INFO L78 Accepts]: Start accepts. Automaton has 10712 states and 16707 transitions. Word has length 230 [2024-11-10 06:19:52,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:52,931 INFO L471 AbstractCegarLoop]: Abstraction has 10712 states and 16707 transitions. [2024-11-10 06:19:52,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:19:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 10712 states and 16707 transitions. [2024-11-10 06:19:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-10 06:19:52,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:52,937 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:52,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 06:19:52,938 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:52,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1696271095, now seen corresponding path program 1 times [2024-11-10 06:19:52,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:52,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174857384] [2024-11-10 06:19:52,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:52,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:19:53,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:53,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174857384] [2024-11-10 06:19:53,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174857384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:19:53,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:19:53,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 06:19:53,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834888843] [2024-11-10 06:19:53,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:19:53,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 06:19:53,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:19:53,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 06:19:53,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:19:53,481 INFO L87 Difference]: Start difference. First operand 10712 states and 16707 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 06:19:56,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:19:56,288 INFO L93 Difference]: Finished difference Result 31019 states and 48309 transitions. [2024-11-10 06:19:56,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 06:19:56,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 231 [2024-11-10 06:19:56,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:19:56,417 INFO L225 Difference]: With dead ends: 31019 [2024-11-10 06:19:56,418 INFO L226 Difference]: Without dead ends: 20310 [2024-11-10 06:19:56,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-10 06:19:56,478 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 483 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 06:19:56,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 720 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 06:19:56,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20310 states. [2024-11-10 06:19:59,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20310 to 20208. [2024-11-10 06:19:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20208 states, 14631 states have (on average 1.4148725309274828) internal successors, (20701), 14719 states have internal predecessors, (20701), 5384 states have call successors, (5384), 192 states have call predecessors, (5384), 192 states have return successors, (5384), 5296 states have call predecessors, (5384), 5384 states have call successors, (5384) [2024-11-10 06:19:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20208 states to 20208 states and 31469 transitions. [2024-11-10 06:19:59,200 INFO L78 Accepts]: Start accepts. Automaton has 20208 states and 31469 transitions. Word has length 231 [2024-11-10 06:19:59,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:19:59,201 INFO L471 AbstractCegarLoop]: Abstraction has 20208 states and 31469 transitions. [2024-11-10 06:19:59,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 06:19:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 20208 states and 31469 transitions. [2024-11-10 06:19:59,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-10 06:19:59,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:19:59,206 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:19:59,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 06:19:59,207 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:19:59,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:19:59,208 INFO L85 PathProgramCache]: Analyzing trace with hash -8675689, now seen corresponding path program 1 times [2024-11-10 06:19:59,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:19:59,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072380309] [2024-11-10 06:19:59,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:59,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:19:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:19:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:19:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:19:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:19:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:19:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:19:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:19:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:19:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:19:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:19:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:19:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:19:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:19:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:19:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:19:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:19:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:19:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:19:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:19:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:19:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:19:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:19:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:19:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:19:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:19:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:19:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:19:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:19:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:19:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:19:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:19:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:19:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:19:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:19:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-11-10 06:19:59,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:19:59,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072380309] [2024-11-10 06:19:59,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072380309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 06:19:59,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898658451] [2024-11-10 06:19:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:19:59,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:19:59,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:19:59,622 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) [2024-11-10 06:19:59,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 06:19:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:19:59,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 06:19:59,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:20:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-11-10 06:20:00,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 06:20:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-11-10 06:20:00,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898658451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 06:20:00,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 06:20:00,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-10 06:20:00,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118856725] [2024-11-10 06:20:00,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 06:20:00,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 06:20:00,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:20:00,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 06:20:00,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 06:20:00,482 INFO L87 Difference]: Start difference. First operand 20208 states and 31469 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-11-10 06:20:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:20:03,044 INFO L93 Difference]: Finished difference Result 38010 states and 58353 transitions. [2024-11-10 06:20:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 06:20:03,045 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 231 [2024-11-10 06:20:03,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:20:03,181 INFO L225 Difference]: With dead ends: 38010 [2024-11-10 06:20:03,182 INFO L226 Difference]: Without dead ends: 17805 [2024-11-10 06:20:03,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:20:03,256 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 338 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 06:20:03,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 550 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 06:20:03,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17805 states. [2024-11-10 06:20:05,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17805 to 16360. [2024-11-10 06:20:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16360 states, 11813 states have (on average 1.392956911876746) internal successors, (16455), 11847 states have internal predecessors, (16455), 4250 states have call successors, (4250), 296 states have call predecessors, (4250), 296 states have return successors, (4250), 4216 states have call predecessors, (4250), 4250 states have call successors, (4250) [2024-11-10 06:20:05,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16360 states to 16360 states and 24955 transitions. [2024-11-10 06:20:05,647 INFO L78 Accepts]: Start accepts. Automaton has 16360 states and 24955 transitions. Word has length 231 [2024-11-10 06:20:05,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:20:05,649 INFO L471 AbstractCegarLoop]: Abstraction has 16360 states and 24955 transitions. [2024-11-10 06:20:05,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-11-10 06:20:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 16360 states and 24955 transitions. [2024-11-10 06:20:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-10 06:20:05,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:20:05,654 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:20:05,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 06:20:05,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 06:20:05,856 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:20:05,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:20:05,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1978018437, now seen corresponding path program 1 times [2024-11-10 06:20:05,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:20:05,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450233440] [2024-11-10 06:20:05,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:20:05,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:20:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:20:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:20:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:20:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:20:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:20:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:20:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:20:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:20:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:20:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:20:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:20:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:20:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:20:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:20:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:20:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:20:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:20:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:20:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:20:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:20:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:20:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:20:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:20:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:20:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:20:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:20:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:20:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:20:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:20:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:20:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:20:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:20:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:20:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:20:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:20:06,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:20:06,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450233440] [2024-11-10 06:20:06,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450233440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:20:06,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:20:06,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:20:06,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175073589] [2024-11-10 06:20:06,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:20:06,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:20:06,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:20:06,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:20:06,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:20:06,477 INFO L87 Difference]: Start difference. First operand 16360 states and 24955 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:20:11,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:20:11,151 INFO L93 Difference]: Finished difference Result 53120 states and 80817 transitions. [2024-11-10 06:20:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 06:20:11,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 232 [2024-11-10 06:20:11,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:20:11,423 INFO L225 Difference]: With dead ends: 53120 [2024-11-10 06:20:11,424 INFO L226 Difference]: Without dead ends: 36763 [2024-11-10 06:20:11,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:20:11,512 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 518 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:20:11,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 823 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 06:20:11,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36763 states. [2024-11-10 06:20:14,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36763 to 27131. [2024-11-10 06:20:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27131 states, 19720 states have (on average 1.3906186612576066) internal successors, (27423), 19798 states have internal predecessors, (27423), 6942 states have call successors, (6942), 468 states have call predecessors, (6942), 468 states have return successors, (6942), 6864 states have call predecessors, (6942), 6942 states have call successors, (6942) [2024-11-10 06:20:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27131 states to 27131 states and 41307 transitions. [2024-11-10 06:20:15,040 INFO L78 Accepts]: Start accepts. Automaton has 27131 states and 41307 transitions. Word has length 232 [2024-11-10 06:20:15,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:20:15,041 INFO L471 AbstractCegarLoop]: Abstraction has 27131 states and 41307 transitions. [2024-11-10 06:20:15,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:20:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 27131 states and 41307 transitions. [2024-11-10 06:20:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-10 06:20:15,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:20:15,046 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:20:15,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 06:20:15,046 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:20:15,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:20:15,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1355334842, now seen corresponding path program 1 times [2024-11-10 06:20:15,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:20:15,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342476396] [2024-11-10 06:20:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:20:15,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:20:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:20:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:20:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:20:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:20:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:20:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:20:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:20:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:20:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:20:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:20:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:20:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:20:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:20:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:20:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:20:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:20:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:20:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:20:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:20:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:20:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:20:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:20:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:20:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:20:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:20:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:20:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:20:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:20:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:20:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:20:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:20:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:20:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:20:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:20:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:20:15,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:20:15,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342476396] [2024-11-10 06:20:15,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342476396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:20:15,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:20:15,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:20:15,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784112309] [2024-11-10 06:20:15,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:20:15,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:20:15,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:20:15,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:20:15,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:20:15,527 INFO L87 Difference]: Start difference. First operand 27131 states and 41307 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:20:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:20:18,325 INFO L93 Difference]: Finished difference Result 56006 states and 85294 transitions. [2024-11-10 06:20:18,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:20:18,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 232 [2024-11-10 06:20:18,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:20:18,517 INFO L225 Difference]: With dead ends: 56006 [2024-11-10 06:20:18,517 INFO L226 Difference]: Without dead ends: 28878 [2024-11-10 06:20:18,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:20:18,626 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 323 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:20:18,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 561 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 06:20:18,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28878 states. [2024-11-10 06:20:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28878 to 27357. [2024-11-10 06:20:21,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27357 states, 19946 states have (on average 1.390855309335205) internal successors, (27742), 20024 states have internal predecessors, (27742), 6942 states have call successors, (6942), 468 states have call predecessors, (6942), 468 states have return successors, (6942), 6864 states have call predecessors, (6942), 6942 states have call successors, (6942) [2024-11-10 06:20:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27357 states to 27357 states and 41626 transitions. [2024-11-10 06:20:21,853 INFO L78 Accepts]: Start accepts. Automaton has 27357 states and 41626 transitions. Word has length 232 [2024-11-10 06:20:21,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:20:21,854 INFO L471 AbstractCegarLoop]: Abstraction has 27357 states and 41626 transitions. [2024-11-10 06:20:21,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 06:20:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 27357 states and 41626 transitions. [2024-11-10 06:20:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-10 06:20:21,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:20:21,861 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:20:21,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 06:20:21,861 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:20:21,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:20:21,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1319314562, now seen corresponding path program 1 times [2024-11-10 06:20:21,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:20:21,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178870964] [2024-11-10 06:20:21,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:20:21,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:20:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:20:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:20:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:20:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:20:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:20:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:20:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:20:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:20:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:20:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:20:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:20:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 06:20:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:20:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 06:20:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:20:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:20:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:20:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:20:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:20:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 06:20:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:20:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:20:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:20:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 06:20:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:20:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:20:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:20:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:20:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:20:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:20:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:20:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:20:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:20:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:20:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 42 proven. 57 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-11-10 06:20:23,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:20:23,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178870964] [2024-11-10 06:20:23,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178870964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 06:20:23,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61479672] [2024-11-10 06:20:23,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:20:23,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:20:23,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:20:23,483 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) [2024-11-10 06:20:23,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 06:20:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:20:23,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-10 06:20:23,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:20:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1150 proven. 336 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2024-11-10 06:20:25,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 06:20:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 111 proven. 267 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-10 06:20:28,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61479672] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 06:20:28,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 06:20:28,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 18, 15] total 34 [2024-11-10 06:20:28,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41538667] [2024-11-10 06:20:28,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 06:20:28,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-10 06:20:28,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:20:28,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-10 06:20:28,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 06:20:28,043 INFO L87 Difference]: Start difference. First operand 27357 states and 41626 transitions. Second operand has 34 states, 33 states have (on average 5.787878787878788) internal successors, (191), 32 states have internal predecessors, (191), 11 states have call successors, (89), 6 states have call predecessors, (89), 13 states have return successors, (91), 10 states have call predecessors, (91), 11 states have call successors, (91) [2024-11-10 06:20:32,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:20:32,640 INFO L93 Difference]: Finished difference Result 48191 states and 69867 transitions. [2024-11-10 06:20:32,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-10 06:20:32,641 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 5.787878787878788) internal successors, (191), 32 states have internal predecessors, (191), 11 states have call successors, (89), 6 states have call predecessors, (89), 13 states have return successors, (91), 10 states have call predecessors, (91), 11 states have call successors, (91) Word has length 233 [2024-11-10 06:20:32,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:20:32,821 INFO L225 Difference]: With dead ends: 48191 [2024-11-10 06:20:32,821 INFO L226 Difference]: Without dead ends: 25895 [2024-11-10 06:20:32,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1039, Invalid=2621, Unknown=0, NotChecked=0, Total=3660 [2024-11-10 06:20:32,906 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 806 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 06:20:32,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 506 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 06:20:32,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25895 states.