./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.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 f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:24:47,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:24:47,156 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:24:47,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:24:47,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:24:47,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:24:47,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:24:47,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:24:47,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:24:47,200 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:24:47,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:24:47,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:24:47,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:24:47,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:24:47,204 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:24:47,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:24:47,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:24:47,205 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:24:47,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:24:47,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:24:47,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:24:47,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:24:47,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:24:47,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:24:47,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:24:47,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:24:47,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:24:47,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:24:47,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:24:47,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:24:47,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:24:47,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:24:47,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:24:47,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:24:47,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:24:47,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:24:47,216 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:24:47,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:24:47,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:24:47,217 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:24:47,217 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:24:47,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:24:47,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba [2024-11-12 01:24:47,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:24:47,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:24:47,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:24:47,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:24:47,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:24:47,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2024-11-12 01:24:49,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:24:49,304 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:24:49,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2024-11-12 01:24:49,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0c4f8a5/ee1e0631ad734de487109550f1a6f41f/FLAG66cad3112 [2024-11-12 01:24:49,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f0c4f8a5/ee1e0631ad734de487109550f1a6f41f [2024-11-12 01:24:49,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:24:49,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:24:49,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:24:49,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:24:49,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:24:49,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc03936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49, skipping insertion in model container [2024-11-12 01:24:49,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:24:49,600 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_codestructure_steplocals_file-34.i[917,930] [2024-11-12 01:24:49,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:24:49,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:24:49,719 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_codestructure_steplocals_file-34.i[917,930] [2024-11-12 01:24:49,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:24:49,774 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:24:49,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49 WrapperNode [2024-11-12 01:24:49,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:24:49,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:24:49,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:24:49,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:24:49,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,851 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-11-12 01:24:49,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:24:49,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:24:49,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:24:49,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:24:49,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,917 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 01:24:49,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:49,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:24:49,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:24:49,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:24:49,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:24:49,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (1/1) ... [2024-11-12 01:24:50,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:24:50,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:24:50,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 01:24:50,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 01:24:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:24:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:24:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:24:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:24:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:24:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:24:50,170 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:24:50,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:24:50,628 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-12 01:24:50,628 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:24:50,649 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:24:50,650 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:24:50,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:24:50 BoogieIcfgContainer [2024-11-12 01:24:50,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:24:50,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:24:50,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:24:50,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:24:50,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:24:49" (1/3) ... [2024-11-12 01:24:50,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb4bb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:24:50, skipping insertion in model container [2024-11-12 01:24:50,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:24:49" (2/3) ... [2024-11-12 01:24:50,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb4bb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:24:50, skipping insertion in model container [2024-11-12 01:24:50,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:24:50" (3/3) ... [2024-11-12 01:24:50,660 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-34.i [2024-11-12 01:24:50,678 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:24:50,679 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:24:50,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:24:50,749 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;@4604bb00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:24:50,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:24:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:24:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-12 01:24:50,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:24:50,768 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:24:50,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:24:50,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:24:50,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2122244211, now seen corresponding path program 1 times [2024-11-12 01:24:50,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:24:50,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502697621] [2024-11-12 01:24:50,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:24:50,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:24:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:24:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:24:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:24:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:24:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:24:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:24:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:24:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:24:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:24:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:24:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:24:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:24:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:24:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:24:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:24:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:24:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:24:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:24:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:24:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:24:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:24:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:24:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:24:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:24:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:24:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:24:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:24:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:24:51,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:24:51,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502697621] [2024-11-12 01:24:51,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502697621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:24:51,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:24:51,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:24:51,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996335724] [2024-11-12 01:24:51,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:24:51,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:24:51,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:24:51,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:24:51,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:24:51,505 INFO L87 Difference]: Start difference. First operand has 94 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:24:51,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:24:51,594 INFO L93 Difference]: Finished difference Result 222 states and 375 transitions. [2024-11-12 01:24:51,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:24:51,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-11-12 01:24:51,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:24:51,609 INFO L225 Difference]: With dead ends: 222 [2024-11-12 01:24:51,609 INFO L226 Difference]: Without dead ends: 131 [2024-11-12 01:24:51,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:24:51,616 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 55 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:24:51,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 268 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:24:51,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-12 01:24:51,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 96. [2024-11-12 01:24:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:24:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 147 transitions. [2024-11-12 01:24:51,668 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 147 transitions. Word has length 173 [2024-11-12 01:24:51,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:24:51,670 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 147 transitions. [2024-11-12 01:24:51,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:24:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2024-11-12 01:24:51,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-12 01:24:51,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:24:51,679 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:24:51,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:24:51,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:24:51,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:24:51,682 INFO L85 PathProgramCache]: Analyzing trace with hash 842380533, now seen corresponding path program 1 times [2024-11-12 01:24:51,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:24:51,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549936269] [2024-11-12 01:24:51,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:24:51,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:24:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:24:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:24:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:24:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:24:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:24:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:24:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:24:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:24:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:24:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:24:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:24:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:24:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:24:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:24:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:24:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:24:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:24:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:24:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:24:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:24:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:24:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:24:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:24:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:24:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:24:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:24:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:24:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:24:53,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:24:53,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549936269] [2024-11-12 01:24:53,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549936269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:24:53,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:24:53,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 01:24:53,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446283712] [2024-11-12 01:24:53,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:24:53,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 01:24:53,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:24:53,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 01:24:53,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:24:53,653 INFO L87 Difference]: Start difference. First operand 96 states and 147 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:24:54,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:24:54,050 INFO L93 Difference]: Finished difference Result 298 states and 449 transitions. [2024-11-12 01:24:54,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:24:54,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-11-12 01:24:54,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:24:54,058 INFO L225 Difference]: With dead ends: 298 [2024-11-12 01:24:54,058 INFO L226 Difference]: Without dead ends: 205 [2024-11-12 01:24:54,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:24:54,061 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 277 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:24:54,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 425 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:24:54,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-12 01:24:54,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 117. [2024-11-12 01:24:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 88 states have (on average 1.4204545454545454) internal successors, (125), 88 states have internal predecessors, (125), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:24:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2024-11-12 01:24:54,087 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 173 [2024-11-12 01:24:54,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:24:54,092 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2024-11-12 01:24:54,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:24:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2024-11-12 01:24:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-12 01:24:54,094 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:24:54,095 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:24:54,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:24:54,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:24:54,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:24:54,099 INFO L85 PathProgramCache]: Analyzing trace with hash -178687821, now seen corresponding path program 1 times [2024-11-12 01:24:54,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:24:54,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359238492] [2024-11-12 01:24:54,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:24:54,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:24:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:24:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:24:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:24:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:24:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:24:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:24:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:24:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:24:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:24:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:24:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:24:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:24:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:24:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:24:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:24:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:24:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:24:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:24:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:24:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:24:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:24:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:24:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:24:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:24:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:24:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:24:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:24:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:24:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:24:58,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:24:58,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359238492] [2024-11-12 01:24:58,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359238492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:24:58,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:24:58,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 01:24:58,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175437387] [2024-11-12 01:24:58,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:24:58,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 01:24:58,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:24:58,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 01:24:58,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-12 01:24:58,201 INFO L87 Difference]: Start difference. First operand 117 states and 179 transitions. Second operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:01,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:01,075 INFO L93 Difference]: Finished difference Result 433 states and 656 transitions. [2024-11-12 01:25:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:25:01,077 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-11-12 01:25:01,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:01,080 INFO L225 Difference]: With dead ends: 433 [2024-11-12 01:25:01,080 INFO L226 Difference]: Without dead ends: 319 [2024-11-12 01:25:01,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-12 01:25:01,082 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 504 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:01,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 696 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-12 01:25:01,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-12 01:25:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 252. [2024-11-12 01:25:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 195 states have (on average 1.4256410256410257) internal successors, (278), 195 states have internal predecessors, (278), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 01:25:01,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 386 transitions. [2024-11-12 01:25:01,108 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 386 transitions. Word has length 173 [2024-11-12 01:25:01,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:01,109 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 386 transitions. [2024-11-12 01:25:01,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 386 transitions. [2024-11-12 01:25:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-12 01:25:01,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:01,112 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:01,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:25:01,113 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:01,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:01,113 INFO L85 PathProgramCache]: Analyzing trace with hash -988034447, now seen corresponding path program 1 times [2024-11-12 01:25:01,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:01,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518640918] [2024-11-12 01:25:01,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:01,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:02,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:02,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518640918] [2024-11-12 01:25:02,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518640918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:02,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:02,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:25:02,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084954652] [2024-11-12 01:25:02,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:02,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:25:02,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:02,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:25:02,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:25:02,582 INFO L87 Difference]: Start difference. First operand 252 states and 386 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:03,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:03,632 INFO L93 Difference]: Finished difference Result 614 states and 932 transitions. [2024-11-12 01:25:03,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:25:03,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-11-12 01:25:03,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:03,638 INFO L225 Difference]: With dead ends: 614 [2024-11-12 01:25:03,638 INFO L226 Difference]: Without dead ends: 365 [2024-11-12 01:25:03,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:25:03,646 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 132 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:03,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 594 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 01:25:03,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-12 01:25:03,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 142. [2024-11-12 01:25:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 113 states have (on average 1.424778761061947) internal successors, (161), 113 states have internal predecessors, (161), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:25:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2024-11-12 01:25:03,663 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 173 [2024-11-12 01:25:03,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:03,664 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2024-11-12 01:25:03,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2024-11-12 01:25:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:03,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:03,667 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:03,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 01:25:03,667 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:03,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:03,668 INFO L85 PathProgramCache]: Analyzing trace with hash 921830182, now seen corresponding path program 1 times [2024-11-12 01:25:03,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:03,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024198369] [2024-11-12 01:25:03,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:03,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:05,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:06,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:06,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024198369] [2024-11-12 01:25:06,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024198369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:06,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:06,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 01:25:06,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630563817] [2024-11-12 01:25:06,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:06,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 01:25:06,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:06,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 01:25:06,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:25:06,010 INFO L87 Difference]: Start difference. First operand 142 states and 215 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:07,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:07,365 INFO L93 Difference]: Finished difference Result 411 states and 613 transitions. [2024-11-12 01:25:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:25:07,367 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:07,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:07,370 INFO L225 Difference]: With dead ends: 411 [2024-11-12 01:25:07,370 INFO L226 Difference]: Without dead ends: 272 [2024-11-12 01:25:07,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:25:07,372 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 371 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:07,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 497 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 01:25:07,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-12 01:25:07,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 158. [2024-11-12 01:25:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 129 states have (on average 1.441860465116279) internal successors, (186), 129 states have internal predecessors, (186), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:25:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 240 transitions. [2024-11-12 01:25:07,383 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 240 transitions. Word has length 174 [2024-11-12 01:25:07,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:07,383 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 240 transitions. [2024-11-12 01:25:07,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 240 transitions. [2024-11-12 01:25:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:07,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:07,387 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:07,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 01:25:07,387 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:07,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:07,388 INFO L85 PathProgramCache]: Analyzing trace with hash 112483556, now seen corresponding path program 1 times [2024-11-12 01:25:07,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:07,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456454676] [2024-11-12 01:25:07,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:07,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:09,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:09,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:09,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456454676] [2024-11-12 01:25:09,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456454676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:09,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:09,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:25:09,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888806807] [2024-11-12 01:25:09,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:09,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:25:09,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:09,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:25:09,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:25:09,804 INFO L87 Difference]: Start difference. First operand 158 states and 240 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:11,481 INFO L93 Difference]: Finished difference Result 469 states and 697 transitions. [2024-11-12 01:25:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 01:25:11,483 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:11,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:11,485 INFO L225 Difference]: With dead ends: 469 [2024-11-12 01:25:11,486 INFO L226 Difference]: Without dead ends: 314 [2024-11-12 01:25:11,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-12 01:25:11,487 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 423 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:11,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 533 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 01:25:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-12 01:25:11,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 144. [2024-11-12 01:25:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 115 states have (on average 1.4260869565217391) internal successors, (164), 115 states have internal predecessors, (164), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:25:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 218 transitions. [2024-11-12 01:25:11,503 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 218 transitions. Word has length 174 [2024-11-12 01:25:11,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:11,504 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 218 transitions. [2024-11-12 01:25:11,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2024-11-12 01:25:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:11,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:11,506 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:11,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 01:25:11,507 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:11,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash -99238172, now seen corresponding path program 1 times [2024-11-12 01:25:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:11,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000774092] [2024-11-12 01:25:11,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:13,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:13,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000774092] [2024-11-12 01:25:13,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000774092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:13,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:13,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:25:13,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297475821] [2024-11-12 01:25:13,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:13,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:25:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:13,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:25:13,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:25:13,364 INFO L87 Difference]: Start difference. First operand 144 states and 218 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:14,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:14,395 INFO L93 Difference]: Finished difference Result 400 states and 598 transitions. [2024-11-12 01:25:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 01:25:14,396 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:14,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:14,402 INFO L225 Difference]: With dead ends: 400 [2024-11-12 01:25:14,402 INFO L226 Difference]: Without dead ends: 259 [2024-11-12 01:25:14,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-12 01:25:14,403 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 263 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:14,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 494 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 01:25:14,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-12 01:25:14,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 158. [2024-11-12 01:25:14,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 129 states have (on average 1.441860465116279) internal successors, (186), 129 states have internal predecessors, (186), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:25:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 240 transitions. [2024-11-12 01:25:14,414 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 240 transitions. Word has length 174 [2024-11-12 01:25:14,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:14,415 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 240 transitions. [2024-11-12 01:25:14,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 240 transitions. [2024-11-12 01:25:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:14,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:14,417 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:14,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 01:25:14,418 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:14,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:14,418 INFO L85 PathProgramCache]: Analyzing trace with hash -908584798, now seen corresponding path program 1 times [2024-11-12 01:25:14,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:14,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618568022] [2024-11-12 01:25:14,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:14,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:17,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:17,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618568022] [2024-11-12 01:25:17,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618568022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:17,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:17,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 01:25:17,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932921895] [2024-11-12 01:25:17,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:17,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 01:25:17,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:17,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 01:25:17,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:25:17,814 INFO L87 Difference]: Start difference. First operand 158 states and 240 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:20,052 INFO L93 Difference]: Finished difference Result 565 states and 843 transitions. [2024-11-12 01:25:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 01:25:20,054 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:20,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:20,056 INFO L225 Difference]: With dead ends: 565 [2024-11-12 01:25:20,056 INFO L226 Difference]: Without dead ends: 410 [2024-11-12 01:25:20,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-12 01:25:20,058 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 413 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:20,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 727 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 01:25:20,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-12 01:25:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 156. [2024-11-12 01:25:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 127 states have (on average 1.4488188976377954) internal successors, (184), 127 states have internal predecessors, (184), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:25:20,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 238 transitions. [2024-11-12 01:25:20,073 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 238 transitions. Word has length 174 [2024-11-12 01:25:20,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:20,073 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 238 transitions. [2024-11-12 01:25:20,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 238 transitions. [2024-11-12 01:25:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:20,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:20,077 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:20,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 01:25:20,077 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:20,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1072314524, now seen corresponding path program 1 times [2024-11-12 01:25:20,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:20,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917719016] [2024-11-12 01:25:20,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:20,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:20,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917719016] [2024-11-12 01:25:20,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917719016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:20,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:20,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 01:25:20,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257741812] [2024-11-12 01:25:20,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:20,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 01:25:20,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:20,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 01:25:20,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 01:25:20,425 INFO L87 Difference]: Start difference. First operand 156 states and 238 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:20,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:20,745 INFO L93 Difference]: Finished difference Result 360 states and 547 transitions. [2024-11-12 01:25:20,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 01:25:20,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:20,748 INFO L225 Difference]: With dead ends: 360 [2024-11-12 01:25:20,748 INFO L226 Difference]: Without dead ends: 207 [2024-11-12 01:25:20,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:25:20,750 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 71 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:20,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 629 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 01:25:20,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-12 01:25:20,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2024-11-12 01:25:20,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 170 states have (on average 1.4529411764705882) internal successors, (247), 171 states have internal predecessors, (247), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:25:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 309 transitions. [2024-11-12 01:25:20,766 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 309 transitions. Word has length 174 [2024-11-12 01:25:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:20,767 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 309 transitions. [2024-11-12 01:25:20,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 309 transitions. [2024-11-12 01:25:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:20,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:20,768 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:20,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 01:25:20,769 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:20,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash -371249946, now seen corresponding path program 1 times [2024-11-12 01:25:20,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:20,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589058914] [2024-11-12 01:25:20,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:20,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:20,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:21,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:21,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589058914] [2024-11-12 01:25:21,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589058914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:21,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:21,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 01:25:21,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350071934] [2024-11-12 01:25:21,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:21,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 01:25:21,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:21,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 01:25:21,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:25:21,066 INFO L87 Difference]: Start difference. First operand 204 states and 309 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:21,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:21,257 INFO L93 Difference]: Finished difference Result 406 states and 615 transitions. [2024-11-12 01:25:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 01:25:21,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:21,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:21,260 INFO L225 Difference]: With dead ends: 406 [2024-11-12 01:25:21,260 INFO L226 Difference]: Without dead ends: 205 [2024-11-12 01:25:21,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:25:21,262 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 68 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:21,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 373 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 01:25:21,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-12 01:25:21,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 202. [2024-11-12 01:25:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 168 states have (on average 1.4523809523809523) internal successors, (244), 169 states have internal predecessors, (244), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:25:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 306 transitions. [2024-11-12 01:25:21,274 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 306 transitions. Word has length 174 [2024-11-12 01:25:21,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:21,275 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 306 transitions. [2024-11-12 01:25:21,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:21,276 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 306 transitions. [2024-11-12 01:25:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:21,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:21,277 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:21,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 01:25:21,278 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:21,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:21,279 INFO L85 PathProgramCache]: Analyzing trace with hash 103061529, now seen corresponding path program 1 times [2024-11-12 01:25:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:21,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702858001] [2024-11-12 01:25:21,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:21,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:21,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:21,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702858001] [2024-11-12 01:25:21,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702858001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:21,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:21,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 01:25:21,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879943701] [2024-11-12 01:25:21,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:21,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 01:25:21,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:21,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 01:25:21,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 01:25:21,955 INFO L87 Difference]: Start difference. First operand 202 states and 306 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:22,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:22,271 INFO L93 Difference]: Finished difference Result 604 states and 909 transitions. [2024-11-12 01:25:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 01:25:22,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:22,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:22,280 INFO L225 Difference]: With dead ends: 604 [2024-11-12 01:25:22,281 INFO L226 Difference]: Without dead ends: 405 [2024-11-12 01:25:22,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:25:22,282 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 283 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:22,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 518 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:25:22,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-12 01:25:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 230. [2024-11-12 01:25:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 196 states have (on average 1.4489795918367347) internal successors, (284), 197 states have internal predecessors, (284), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:25:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 346 transitions. [2024-11-12 01:25:22,296 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 346 transitions. Word has length 174 [2024-11-12 01:25:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:22,299 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 346 transitions. [2024-11-12 01:25:22,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 346 transitions. [2024-11-12 01:25:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:22,301 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:22,302 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 01:25:22,302 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:22,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:22,303 INFO L85 PathProgramCache]: Analyzing trace with hash -918006825, now seen corresponding path program 1 times [2024-11-12 01:25:22,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762383928] [2024-11-12 01:25:22,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:22,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:22,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:22,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:22,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762383928] [2024-11-12 01:25:22,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762383928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:22,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:22,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 01:25:22,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809912658] [2024-11-12 01:25:22,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:22,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 01:25:22,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:22,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 01:25:22,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:25:22,951 INFO L87 Difference]: Start difference. First operand 230 states and 346 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:23,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:23,595 INFO L93 Difference]: Finished difference Result 602 states and 900 transitions. [2024-11-12 01:25:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:25:23,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:23,600 INFO L225 Difference]: With dead ends: 602 [2024-11-12 01:25:23,600 INFO L226 Difference]: Without dead ends: 375 [2024-11-12 01:25:23,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:25:23,602 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 107 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:23,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 766 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 01:25:23,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-12 01:25:23,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 230. [2024-11-12 01:25:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 196 states have (on average 1.4489795918367347) internal successors, (284), 197 states have internal predecessors, (284), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:25:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 346 transitions. [2024-11-12 01:25:23,614 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 346 transitions. Word has length 174 [2024-11-12 01:25:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:23,614 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 346 transitions. [2024-11-12 01:25:23,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 346 transitions. [2024-11-12 01:25:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:23,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:23,616 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:23,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 01:25:23,616 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:23,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:23,617 INFO L85 PathProgramCache]: Analyzing trace with hash 920709979, now seen corresponding path program 1 times [2024-11-12 01:25:23,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:23,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296048121] [2024-11-12 01:25:23,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:23,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:24,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:24,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296048121] [2024-11-12 01:25:24,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296048121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:24,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:24,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:25:24,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804725392] [2024-11-12 01:25:24,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:24,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:25:24,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:24,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:25:24,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:25:24,884 INFO L87 Difference]: Start difference. First operand 230 states and 346 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:25,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:25,448 INFO L93 Difference]: Finished difference Result 672 states and 1002 transitions. [2024-11-12 01:25:25,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 01:25:25,449 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:25,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:25,453 INFO L225 Difference]: With dead ends: 672 [2024-11-12 01:25:25,453 INFO L226 Difference]: Without dead ends: 445 [2024-11-12 01:25:25,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:25:25,455 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 405 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:25,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 481 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 01:25:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-12 01:25:25,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 232. [2024-11-12 01:25:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 198 states have (on average 1.4494949494949494) internal successors, (287), 199 states have internal predecessors, (287), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:25:25,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 349 transitions. [2024-11-12 01:25:25,470 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 349 transitions. Word has length 174 [2024-11-12 01:25:25,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:25,471 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 349 transitions. [2024-11-12 01:25:25,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 349 transitions. [2024-11-12 01:25:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:25,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:25,472 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:25,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 01:25:25,472 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:25,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:25,473 INFO L85 PathProgramCache]: Analyzing trace with hash -100358375, now seen corresponding path program 1 times [2024-11-12 01:25:25,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:25,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775710526] [2024-11-12 01:25:25,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:25,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:28,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:28,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775710526] [2024-11-12 01:25:28,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775710526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:28,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:28,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 01:25:28,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666903199] [2024-11-12 01:25:28,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:28,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 01:25:28,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:28,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 01:25:28,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-12 01:25:28,502 INFO L87 Difference]: Start difference. First operand 232 states and 349 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:33,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:33,767 INFO L93 Difference]: Finished difference Result 919 states and 1354 transitions. [2024-11-12 01:25:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 01:25:33,767 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-12 01:25:33,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:33,771 INFO L225 Difference]: With dead ends: 919 [2024-11-12 01:25:33,771 INFO L226 Difference]: Without dead ends: 690 [2024-11-12 01:25:33,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2024-11-12 01:25:33,773 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 732 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:33,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 787 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-12 01:25:33,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-12 01:25:33,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 380. [2024-11-12 01:25:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 313 states have (on average 1.4313099041533546) internal successors, (448), 315 states have internal predecessors, (448), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-12 01:25:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 572 transitions. [2024-11-12 01:25:33,795 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 572 transitions. Word has length 174 [2024-11-12 01:25:33,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:33,795 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 572 transitions. [2024-11-12 01:25:33,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 572 transitions. [2024-11-12 01:25:33,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-12 01:25:33,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:33,797 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:33,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 01:25:33,797 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:33,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:33,798 INFO L85 PathProgramCache]: Analyzing trace with hash -909705001, now seen corresponding path program 1 times [2024-11-12 01:25:33,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:33,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875883935] [2024-11-12 01:25:33,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:33,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:37,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:37,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875883935] [2024-11-12 01:25:37,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875883935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:37,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:37,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 01:25:37,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266559135] [2024-11-12 01:25:37,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:37,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 01:25:37,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:37,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 01:25:37,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-12 01:25:37,917 INFO L87 Difference]: Start difference. First operand 380 states and 572 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 01:25:42,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:42,463 INFO L93 Difference]: Finished difference Result 889 states and 1331 transitions. [2024-11-12 01:25:42,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 01:25:42,464 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-12 01:25:42,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:42,467 INFO L225 Difference]: With dead ends: 889 [2024-11-12 01:25:42,467 INFO L226 Difference]: Without dead ends: 523 [2024-11-12 01:25:42,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2024-11-12 01:25:42,471 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 451 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:42,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1013 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-12 01:25:42,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-12 01:25:42,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 382. [2024-11-12 01:25:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 315 states have (on average 1.4253968253968254) internal successors, (449), 317 states have internal predecessors, (449), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-12 01:25:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 573 transitions. [2024-11-12 01:25:42,494 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 573 transitions. Word has length 174 [2024-11-12 01:25:42,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:42,494 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 573 transitions. [2024-11-12 01:25:42,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 01:25:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 573 transitions. [2024-11-12 01:25:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 01:25:42,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:42,497 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:42,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 01:25:42,497 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:42,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:42,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1960065966, now seen corresponding path program 1 times [2024-11-12 01:25:42,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:42,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597343183] [2024-11-12 01:25:42,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:42,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:42,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:42,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597343183] [2024-11-12 01:25:42,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597343183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:42,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:42,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 01:25:42,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752482384] [2024-11-12 01:25:42,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:42,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 01:25:42,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:42,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 01:25:42,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:25:42,644 INFO L87 Difference]: Start difference. First operand 382 states and 573 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:42,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:42,756 INFO L93 Difference]: Finished difference Result 920 states and 1385 transitions. [2024-11-12 01:25:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 01:25:42,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 01:25:42,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:42,760 INFO L225 Difference]: With dead ends: 920 [2024-11-12 01:25:42,761 INFO L226 Difference]: Without dead ends: 552 [2024-11-12 01:25:42,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:25:42,762 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 77 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:42,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 383 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:25:42,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-12 01:25:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 497. [2024-11-12 01:25:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 399 states have (on average 1.3934837092731829) internal successors, (556), 404 states have internal predecessors, (556), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-12 01:25:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 736 transitions. [2024-11-12 01:25:42,791 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 736 transitions. Word has length 175 [2024-11-12 01:25:42,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:42,792 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 736 transitions. [2024-11-12 01:25:42,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 736 transitions. [2024-11-12 01:25:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 01:25:42,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:42,794 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:42,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 01:25:42,794 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:42,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:42,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1251315180, now seen corresponding path program 1 times [2024-11-12 01:25:42,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:42,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402741121] [2024-11-12 01:25:42,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:42,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:42,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402741121] [2024-11-12 01:25:42,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402741121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:42,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:42,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 01:25:42,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609575522] [2024-11-12 01:25:42,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:42,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 01:25:42,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:42,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 01:25:42,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:25:42,939 INFO L87 Difference]: Start difference. First operand 497 states and 736 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:43,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:43,068 INFO L93 Difference]: Finished difference Result 820 states and 1211 transitions. [2024-11-12 01:25:43,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 01:25:43,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 01:25:43,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:43,073 INFO L225 Difference]: With dead ends: 820 [2024-11-12 01:25:43,073 INFO L226 Difference]: Without dead ends: 502 [2024-11-12 01:25:43,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:25:43,075 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 66 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:43,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 398 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:25:43,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-12 01:25:43,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 495. [2024-11-12 01:25:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 397 states have (on average 1.3904282115869018) internal successors, (552), 402 states have internal predecessors, (552), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-12 01:25:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 732 transitions. [2024-11-12 01:25:43,102 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 732 transitions. Word has length 175 [2024-11-12 01:25:43,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:43,102 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 732 transitions. [2024-11-12 01:25:43,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 732 transitions. [2024-11-12 01:25:43,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 01:25:43,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:43,104 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:43,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 01:25:43,105 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:43,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:43,105 INFO L85 PathProgramCache]: Analyzing trace with hash -686128964, now seen corresponding path program 1 times [2024-11-12 01:25:43,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:43,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792559738] [2024-11-12 01:25:43,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:43,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:46,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:46,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792559738] [2024-11-12 01:25:46,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792559738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:46,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:46,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 01:25:46,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171345764] [2024-11-12 01:25:46,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:46,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:25:46,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:46,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:25:46,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:25:46,114 INFO L87 Difference]: Start difference. First operand 495 states and 732 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:49,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:49,470 INFO L93 Difference]: Finished difference Result 1269 states and 1837 transitions. [2024-11-12 01:25:49,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 01:25:49,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 01:25:49,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:49,475 INFO L225 Difference]: With dead ends: 1269 [2024-11-12 01:25:49,475 INFO L226 Difference]: Without dead ends: 953 [2024-11-12 01:25:49,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2024-11-12 01:25:49,478 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 602 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:49,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 922 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-12 01:25:49,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-12 01:25:49,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 504. [2024-11-12 01:25:49,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 406 states have (on average 1.3891625615763548) internal successors, (564), 411 states have internal predecessors, (564), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-12 01:25:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 744 transitions. [2024-11-12 01:25:49,511 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 744 transitions. Word has length 175 [2024-11-12 01:25:49,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:49,511 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 744 transitions. [2024-11-12 01:25:49,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 744 transitions. [2024-11-12 01:25:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 01:25:49,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:49,514 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:49,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 01:25:49,514 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:49,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:49,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1495475590, now seen corresponding path program 1 times [2024-11-12 01:25:49,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:49,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379782056] [2024-11-12 01:25:49,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:49,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:51,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:51,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:51,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379782056] [2024-11-12 01:25:51,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379782056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:51,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:51,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:25:51,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177160855] [2024-11-12 01:25:51,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:51,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:25:51,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:51,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:25:51,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:25:51,221 INFO L87 Difference]: Start difference. First operand 504 states and 744 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:52,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:52,303 INFO L93 Difference]: Finished difference Result 1184 states and 1728 transitions. [2024-11-12 01:25:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:25:52,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 01:25:52,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:52,309 INFO L225 Difference]: With dead ends: 1184 [2024-11-12 01:25:52,309 INFO L226 Difference]: Without dead ends: 859 [2024-11-12 01:25:52,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:25:52,311 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 286 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:52,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 809 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 01:25:52,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-12 01:25:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 476. [2024-11-12 01:25:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 378 states have (on average 1.3783068783068784) internal successors, (521), 383 states have internal predecessors, (521), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-12 01:25:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 701 transitions. [2024-11-12 01:25:52,351 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 701 transitions. Word has length 175 [2024-11-12 01:25:52,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:52,352 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 701 transitions. [2024-11-12 01:25:52,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 701 transitions. [2024-11-12 01:25:52,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 01:25:52,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:52,354 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:52,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 01:25:52,354 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:52,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:52,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1707197318, now seen corresponding path program 1 times [2024-11-12 01:25:52,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:52,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019984359] [2024-11-12 01:25:52,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:52,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:25:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:25:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:25:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:25:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:25:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:25:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:25:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:25:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:54,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:25:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:25:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:25:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:25:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:25:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:25:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:25:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:25:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:25:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:25:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:25:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:25:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:25:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:25:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:25:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:25:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:25:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:25:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:25:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:25:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:25:55,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:25:55,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019984359] [2024-11-12 01:25:55,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019984359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:25:55,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:25:55,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 01:25:55,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329946872] [2024-11-12 01:25:55,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:25:55,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:25:55,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:25:55,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:25:55,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:25:55,022 INFO L87 Difference]: Start difference. First operand 476 states and 701 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:56,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:25:56,932 INFO L93 Difference]: Finished difference Result 1093 states and 1592 transitions. [2024-11-12 01:25:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:25:56,933 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 01:25:56,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:25:56,937 INFO L225 Difference]: With dead ends: 1093 [2024-11-12 01:25:56,937 INFO L226 Difference]: Without dead ends: 796 [2024-11-12 01:25:56,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-12 01:25:56,939 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 366 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:25:56,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 858 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 01:25:56,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-12 01:25:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 492. [2024-11-12 01:25:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 394 states have (on average 1.380710659898477) internal successors, (544), 399 states have internal predecessors, (544), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-12 01:25:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 724 transitions. [2024-11-12 01:25:56,978 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 724 transitions. Word has length 175 [2024-11-12 01:25:56,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:25:56,979 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 724 transitions. [2024-11-12 01:25:56,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:25:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 724 transitions. [2024-11-12 01:25:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 01:25:56,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:25:56,981 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:25:56,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 01:25:56,982 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:25:56,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:25:56,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1778423352, now seen corresponding path program 1 times [2024-11-12 01:25:56,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:25:56,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578516336] [2024-11-12 01:25:56,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:25:56,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:25:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:26:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:26:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:26:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:26:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:26:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:26:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:26:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:26:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:26:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:26:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:26:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:26:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:26:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:26:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:26:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:26:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:26:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:26:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:26:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:26:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:26:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:26:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:26:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:26:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:26:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:26:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:26:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:26:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:26:00,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:26:00,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578516336] [2024-11-12 01:26:00,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578516336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:26:00,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:26:00,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 01:26:00,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676607082] [2024-11-12 01:26:00,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:26:00,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 01:26:00,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:26:00,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 01:26:00,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:26:00,468 INFO L87 Difference]: Start difference. First operand 492 states and 724 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)